Who Called Me from Area Code 512?
Quick answerA 512 call usually comes from Austin or nearby communities, but caller ID can be spoofed, so a local-looking number isn’t proof. If there’s no voicemail, let it go: legitimate callers leave messages.
- No voicemail? Let it go. Real callers leave messages.
- Recognize the pattern? Check the number in the prefix lookup.
- Getting repeats? ActiveArmor® blocks and labels them automatically.
- Same prefix calling again? Compare it against this month’s most-reported 512 prefixes, right on this page.
- Curious who issued a number? Every 512 prefix belongs to a carrier — the registry names it.
Been targeted?Report the call at reportfraud.ftc.gov — reports feed the complaint data that powers spam blocking, including the board on this page. AT&T customers already have ActiveArmor® screening built in.
Most-reported 512 prefixes this month
PrefixReported patternReport volume
(512) 295-XXXXRobocall-heavy
(512) 900-XXXXRobocall-heavy
(512) 612-XXXXRobocall-heavy
(512) 876-XXXXRobocall-heavy
(512) 446-XXXXRobocall-heavy
377 unwanted-call reports naming 512 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.
Block spam calls in the 512, included with AT&T wireless
AT&T ActiveArmor® is the network-level security that screens the calls this page is about:
- Fraud calls blocked automatically on the network
- Suspected spam labeled before you answer
- Caller ID & custom call blocking in the free app
- Reverse number lookup (available with ActiveArmor Advanced security. Fee required.)
- Identity monitoring & identity theft insurance (available with ActiveArmor Advanced security. Fee required.)
Included with AT&T wireless plans. Requires compatible device/service and download of the AT&T ActiveArmor® app. Other terms & restrictions apply. May not detect all threats and may block wanted calls. Some features require Advanced mobile security ($7/mo.). See terms.
See how ActiveArmor worksIncluded with the free 30-day AT&T Wireless℠ trialTry AT&T Wireless℠ free for 30 daysDownload the AT&T app, activate a trial eSIM in minutes, and run our network side by side with your current service. No credit card, keep your number.
- 100GB of data plus 25GB hotspot
- Unlimited talk & text in the U.S., Canada and Mexico
- Texting from the U.S. to 200+ countries & territories
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Is Area Code 512 a Scam?
No. 512 is a legitimate Austin area code.
It’s one of the original 1947 codes and serves Austin and central Texas. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.
The code is realOriginal 1947 code for the Austin area with 783 assigned carrier prefixes.
Spoofing happens“Neighbor spoofing” fakes local numbers. No voicemail? Let it go.
Screening includedActiveArmor® labels and blocks suspected spam. Included with AT&T wireless plans.
Been targeted? Report it to the FTC at reportfraud.ftc.gov. Reports feed the complaint data that powers spam blocking.
Scam texts from area code 512 numbers
The most common area code 512 text scam is the “wrong number” opener: a friendly message that pretends to know you, then moves the chat to WhatsApp and eventually to an investment pitch. Scripts currently circulating:
- “U at home?” · “Are you busy tomorrow?” · “How are you doing?”
- Delivery-problem and job-offer texts that link out to a login page
Don’t reply. A response marks your number as live. Forward scam texts to 7726 (SPAM), and AT&T ActiveArmor® filters known senders automatically.
How number spoofing works in area code 512
Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 512 number isn’t involved and usually has no idea. That’s why blocking one number rarely stops the calls.
- A call from a number almost identical to yours (same 512 and prefix) is “mirror spoofing.” A missed call from your own number is never worth returning.
- Strangers calling you back saying you called them? Your 512 number is being spoofed. It typically passes within days, and you don’t need a new number. Report it at reportfraud.ftc.gov.
- The caller-ID checkmark: AT&T verifies network calls (STIR/SHAKEN). A verified mark means the displayed number wasn’t faked. No mark doesn’t always mean scam, but treat it with more caution.
Spoofed or not, the rule holds: unexpected caller, no voicemail? Let it go.
512 Area Code Prefix & Carrier Lookup
The three digits after the area code identify the carrier a number was issued to. All 783 assigned 512 prefixes below are real, from the public numbering registry. Type to filter.
This isn’t a reverse phone lookup: no legitimate free service can tell you who owns a specific number. What a 512 prefix does show: the carrier that issued it, whether it’s wireless, landline or VoIP, and the community it belongs to, which is often enough to judge whether a call was worth returning.
783 prefixes · updated monthly
| Prefix | Carrier | Line type |
|---|---|---|
| 512-200 | T-Mobile | Wireless |
| 512-201 | Verizon Wireless | Wireless |
| 512-202 | Verizon Wireless | Wireless |
| 512-203 | T-Mobile | Wireless |
| 512-204 | American Messaging (paging) | Wireless |
| 512-205 | Spok (paging) | Landline / VoIP |
| 512-206 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-207 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-208 | American Messaging (paging) | Wireless |
| 512-209 | American Messaging (paging) | Wireless |
| 512-210 | Verizon Wireless | Wireless |
| 512-212 | AT&T Mobility | Wireless |
| 512-213 | Lumen (Level 3) | Landline / VoIP |
| 512-214 | T-Mobile | Wireless |
| 512-215 | Spectrum (TWC IP) | Landline / VoIP |
| 512-216 | AT&T Mobility | Wireless |
| 512-217 | AT&T Mobility | Wireless |
| 512-218 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-219 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-220 | Grande Communications (Astound) | Landline / VoIP |
| 512-221 | AT&T Mobility | Wireless |
| 512-222 | Worldcall Interconnect | Wireless |
| 512-223 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-224 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-225 | Lumen (Level 3) | Landline / VoIP |
| 512-226 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-227 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-228 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-229 | TPx Communications | Landline / VoIP |
| 512-230 | Verizon Wireless | Wireless |
| 512-231 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-232 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-233 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-234 | Verizon Wireless | Wireless |
| 512-235 | Spok (paging) | Landline / VoIP |
| 512-236 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-237 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-238 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-239 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-240 | Grande Communications (Astound) | Landline / VoIP |
| 512-241 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-242 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-243 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-244 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-245 | Brightspeed | Landline |
| 512-246 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-247 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-248 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-249 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-250 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-251 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-252 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-253 | Frontier Communications | Landline |
| 512-254 | Onvoy (Sinch) | Landline / VoIP |
| 512-255 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-256 | Bandwidth.com | Landline / VoIP |
| 512-257 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-258 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-259 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-260 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-261 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-262 | Frontier Communications | Landline |
| 512-263 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-264 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-265 | Lumen (Level 3) | Landline / VoIP |
| 512-266 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-267 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-268 | Frontier Communications | Landline |
| 512-269 | T-Mobile | Wireless |
| 512-270 | Lumen (Level 3) | Landline / VoIP |
| 512-271 | Lumen (Level 3) | Landline / VoIP |
| 512-272 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-273 | Frontier Communications | Landline |
| 512-274 | Spok (paging) | Landline / VoIP |
| 512-275 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-276 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-277 | Telnyx | Landline / VoIP |
| 512-278 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-279 | Lumen (Level 3) | Landline / VoIP |
| 512-280 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-281 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-282 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-283 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-284 | AT&T Mobility | Wireless |
| 512-285 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-286 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-287 | T-Mobile | Wireless |
| 512-288 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-289 | AT&T Mobility | Wireless |
| 512-290 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-291 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-292 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-293 | T-Mobile | Wireless |
| 512-294 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-295 | Frontier Communications | Landline |
| 512-296 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-297 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-298 | AT&T Mobility | Wireless |
| 512-299 | Onvoy (Sinch) | Landline / VoIP |
| 512-300 | Spectrum (TWC IP) | Landline / VoIP |
| 512-301 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-302 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-303 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-304 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-305 | AT&T Corp. | Landline / VoIP |
| 512-306 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-307 | Spok (paging) | Landline / VoIP |
| 512-308 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-309 | Spectrum (TWC IP) | Landline / VoIP |
| 512-310 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-312 | Frontier Communications | Landline |
| 512-313 | Lumen (Level 3) | Landline / VoIP |
| 512-314 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-315 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-316 | AT&T Mobility | Wireless |
| 512-317 | AT&T Mobility | Wireless |
| 512-318 | Verizon Wireless | Wireless |
| 512-319 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-320 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-321 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-322 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-323 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-324 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-325 | Onvoy (Sinch) | Landline / VoIP |
| 512-326 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-327 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-328 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-329 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-330 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-331 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-332 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-333 | Usfon | Landline / VoIP |
| 512-334 | Lumen (Level 3) | Landline / VoIP |
| 512-335 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-336 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-337 | AT&T Corp. | Landline / VoIP |
| 512-338 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-339 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-340 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-341 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-342 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-343 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-344 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-345 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-346 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-347 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-348 | Verizon Wireless | Wireless |
| 512-349 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-350 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-351 | Lumen (Level 3) | Landline / VoIP |
| 512-352 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-353 | Brightspeed | Landline |
| 512-354 | AT&T Mobility | Wireless |
| 512-355 | Frontier Communications | Landline |
| 512-356 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-357 | Frontier Communications | Landline |
| 512-358 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-359 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-360 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-361 | Spectrum (TWC IP) | Landline / VoIP |
| 512-362 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-363 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-364 | Verizon Wireless | Wireless |
| 512-365 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-366 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-367 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-368 | AT&T Mobility | Wireless |
| 512-369 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-370 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-371 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-372 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-373 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-374 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-375 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-376 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-377 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-378 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-379 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-380 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-381 | TPx Communications | Landline / VoIP |
| 512-382 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-383 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-384 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-385 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-386 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-387 | Bandwidth.com | Landline / VoIP |
| 512-388 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-389 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-390 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-391 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-392 | Brightspeed | Landline |
| 512-393 | Brightspeed | Landline |
| 512-394 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-395 | Brightspeed | Landline |
| 512-396 | Brightspeed | Landline |
| 512-397 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-398 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-399 | Peerless Network | Landline / VoIP |
| 512-400 | T-Mobile | Wireless |
| 512-401 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-402 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-403 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-404 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-405 | Frontier Communications | Landline |
| 512-406 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-407 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-408 | Brightspeed | Landline |
| 512-409 | Lumen (CenturyLink) | Landline / VoIP |
| 512-410 | Verizon Wireless | Wireless |
| 512-412 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-413 | AT&T Mobility | Wireless |
| 512-414 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-415 | AT&T Mobility | Wireless |
| 512-416 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-417 | Verizon Wireless | Wireless |
| 512-418 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-419 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-420 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-421 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-422 | AT&T Mobility | Wireless |
| 512-423 | AT&T Mobility | Wireless |
| 512-424 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-425 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-426 | AT&T Mobility | Wireless |
| 512-427 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-428 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-429 | Verizon Wireless | Wireless |
| 512-430 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-431 | AT&T Mobility | Wireless |
| 512-432 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-433 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-434 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-435 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-436 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-437 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-438 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-439 | Lumen (Level 3) | Landline / VoIP |
| 512-440 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-441 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-442 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-443 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-444 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-445 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-446 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-447 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-448 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-449 | Frontier Communications | Landline |
| 512-450 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-451 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-452 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-453 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-454 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-455 | Brightspeed | Landline |
| 512-456 | Lumen (Level 3) | Landline / VoIP |
| 512-457 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-458 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-459 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-460 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-461 | AT&T Mobility | Wireless |
| 512-462 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-463 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-464 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-465 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-466 | AT&T Mobility | Wireless |
| 512-467 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-468 | AT&T Mobility | Wireless |
| 512-469 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-470 | Verizon Wireless | Wireless |
| 512-471 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-472 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-473 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-474 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-475 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-476 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-477 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-478 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-479 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-480 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-481 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-482 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-483 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-484 | AT&T Mobility | Wireless |
| 512-485 | Lumen (Level 3) | Landline / VoIP |
| 512-486 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-487 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-488 | Frontier Communications | Landline |
| 512-489 | Frontier Communications | Landline |
| 512-490 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-491 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-492 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-493 | Lumen (Level 3) | Landline / VoIP |
| 512-494 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-495 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-496 | AT&T Mobility | Wireless |
| 512-497 | AT&T Mobility | Wireless |
| 512-498 | Lumen (Level 3) | Landline / VoIP |
| 512-499 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-500 | Lumen (Level 3) | Landline / VoIP |
| 512-501 | Onvoy (Sinch) | Landline / VoIP |
| 512-502 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-503 | Onvoy (Sinch) | Landline / VoIP |
| 512-504 | Grande Communications (Astound) | Landline / VoIP |
| 512-505 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-506 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-507 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-508 | T-Mobile | Wireless |
| 512-509 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-512 | Usfon | Landline / VoIP |
| 512-513 | Lumen (Level 3) | Landline / VoIP |
| 512-514 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-515 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-516 | Verizon Wireless | Wireless |
| 512-517 | AT&T Mobility | Wireless |
| 512-518 | Bandwidth.com | Landline / VoIP |
| 512-519 | Lumen (Level 3) | Landline / VoIP |
| 512-520 | Spectrum (TWC IP) | Landline / VoIP |
| 512-521 | T-Mobile | Wireless |
| 512-522 | Bandwidth.com | Landline / VoIP |
| 512-523 | Grande Communications (Astound) | Landline / VoIP |
| 512-524 | Grande Communications (Astound) | Landline / VoIP |
| 512-525 | T-Mobile | Wireless |
| 512-526 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-527 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-528 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-529 | Verizon Wireless | Wireless |
| 512-530 | Lumen (Level 3) | Landline / VoIP |
| 512-531 | Lumen (Level 3) | Landline / VoIP |
| 512-532 | Lumen (Level 3) | Landline / VoIP |
| 512-533 | Lumen (Level 3) | Landline / VoIP |
| 512-534 | Verizon Wireless | Wireless |
| 512-535 | AT&T Mobility | Wireless |
| 512-536 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-537 | Bandwidth.com | Landline / VoIP |
| 512-538 | Grande Communications (Astound) | Landline / VoIP |
| 512-539 | Verizon Wireless | Wireless |
| 512-540 | AT&T Mobility | Wireless |
| 512-541 | Verizon Wireless | Wireless |
| 512-542 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-543 | Onvoy (Sinch) | Landline / VoIP |
| 512-544 | Lumen (Level 3) | Landline / VoIP |
| 512-545 | AT&T Mobility | Wireless |
| 512-546 | Grande Communications (Astound) | Landline / VoIP |
| 512-547 | AT&T Mobility | Wireless |
| 512-548 | Spectrum (TWC IP) | Landline / VoIP |
| 512-549 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-550 | AT&T Mobility | Wireless |
| 512-551 | Lumen (Level 3) | Landline / VoIP |
| 512-552 | AT&T Mobility | Wireless |
| 512-553 | Lumen (Level 3) | Landline / VoIP |
| 512-554 | T-Mobile | Wireless |
| 512-556 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-557 | Verizon Wireless | Wireless |
| 512-558 | Brightspeed | Landline |
| 512-559 | Frontier Communications | Landline |
| 512-560 | AT&T Mobility | Wireless |
| 512-561 | Lumen (Level 3) | Landline / VoIP |
| 512-562 | Lumen (Level 3) | Landline / VoIP |
| 512-563 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-564 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-565 | AT&T Mobility | Wireless |
| 512-566 | T-Mobile | Wireless |
| 512-567 | Verizon Wireless | Wireless |
| 512-568 | AT&T Mobility | Wireless |
| 512-569 | Verizon Wireless | Wireless |
| 512-570 | Lumen (Level 3) | Landline / VoIP |
| 512-571 | Verizon Wireless | Wireless |
| 512-572 | Onvoy (Sinch) | Landline / VoIP |
| 512-573 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-574 | AT&T Mobility | Wireless |
| 512-575 | AT&T Corp. | Landline / VoIP |
| 512-576 | T-Mobile | Wireless |
| 512-577 | T-Mobile | Wireless |
| 512-578 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-579 | Lumen (Level 3) | Landline / VoIP |
| 512-580 | Spectrum (TWC IP) | Landline / VoIP |
| 512-581 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-582 | Onvoy (Sinch) | Landline / VoIP |
| 512-583 | Lumen (Level 3) | Landline / VoIP |
| 512-584 | T-Mobile | Wireless |
| 512-585 | Verizon Wireless | Wireless |
| 512-586 | T-Mobile | Wireless |
| 512-587 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-588 | AT&T Mobility | Wireless |
| 512-589 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-590 | Verizon Wireless | Wireless |
| 512-591 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-592 | Verizon Wireless | Wireless |
| 512-593 | Bandwidth.com | Landline / VoIP |
| 512-594 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-595 | Lumen (Level 3) | Landline / VoIP |
| 512-596 | AT&T Mobility | Wireless |
| 512-597 | Lumen (Level 3) | Landline / VoIP |
| 512-598 | Csc Voice | Landline / VoIP |
| 512-599 | Onvoy (Sinch) | Landline / VoIP |
| 512-600 | Grande Communications (Astound) | Landline / VoIP |
| 512-601 | Frontier Communications | Landline |
| 512-602 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-603 | Spok (paging) | Landline / VoIP |
| 512-604 | Spok (paging) | Landline / VoIP |
| 512-605 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-606 | Spok (paging) | Landline / VoIP |
| 512-607 | Grande Communications (Astound) | Landline / VoIP |
| 512-608 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-609 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-610 | Onvoy (Sinch) | Landline / VoIP |
| 512-612 | Leap Telecom | Landline / VoIP |
| 512-613 | Spok (paging) | Landline / VoIP |
| 512-614 | Spectrum (TWC IP) | Landline / VoIP |
| 512-615 | Onvoy (Sinch) | Landline / VoIP |
| 512-616 | Onvoy (Sinch) | Landline / VoIP |
| 512-617 | Onvoy (Sinch) | Landline / VoIP |
| 512-618 | AT&T Mobility | Wireless |
| 512-619 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-620 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-621 | Verizon Wireless | Wireless |
| 512-622 | Spok (paging) | Landline / VoIP |
| 512-623 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-624 | Spok (paging) | Landline / VoIP |
| 512-625 | Spok (paging) | Landline / VoIP |
| 512-626 | Verizon Wireless | Wireless |
| 512-627 | Verizon Wireless | Wireless |
| 512-628 | Grande Communications (Astound) | Landline / VoIP |
| 512-629 | AT&T Mobility | Wireless |
| 512-630 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-631 | Onvoy (Sinch) | Landline / VoIP |
| 512-632 | AT&T Mobility | Wireless |
| 512-633 | AT&T Mobility | Wireless |
| 512-634 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-635 | T-Mobile | Wireless |
| 512-636 | Verizon Wireless | Wireless |
| 512-637 | Austin Bestline Company | Landline / VoIP |
| 512-638 | Verizon Wireless | Wireless |
| 512-639 | Verizon Wireless | Wireless |
| 512-640 | Lumen (Level 3) | Landline / VoIP |
| 512-641 | Lumen (CenturyLink) | Landline / VoIP |
| 512-642 | Grande Communications (Astound) | Landline / VoIP |
| 512-643 | Bandwidth.com | Landline / VoIP |
| 512-644 | T-Mobile | Wireless |
| 512-645 | Verizon Wireless | Wireless |
| 512-646 | Lumen (Level 3) | Landline / VoIP |
| 512-647 | Lumen (Level 3) | Landline / VoIP |
| 512-648 | Peerless Network | Landline / VoIP |
| 512-649 | AT&T Mobility | Wireless |
| 512-650 | T-Mobile | Wireless |
| 512-651 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-652 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-653 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-654 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-655 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-656 | AT&T Mobility | Wireless |
| 512-657 | AT&T Mobility | Wireless |
| 512-658 | AT&T Mobility | Wireless |
| 512-659 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-660 | AT&T Mobility | Wireless |
| 512-661 | Verizon Wireless | Wireless |
| 512-662 | Bandwidth.com | Landline / VoIP |
| 512-663 | Verizon Wireless | Wireless |
| 512-664 | Lumen (Level 3) | Landline / VoIP |
| 512-665 | T-Mobile | Wireless |
| 512-666 | Worldcall Interconnect | Wireless |
| 512-667 | Verizon Wireless | Wireless |
| 512-668 | Spectrum (TWC IP) | Landline / VoIP |
| 512-669 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-670 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-671 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-672 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-673 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-674 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-675 | Bandwidth.com | Landline / VoIP |
| 512-676 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-677 | T-Mobile | Wireless |
| 512-678 | TPx Communications | Landline / VoIP |
| 512-679 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-680 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-681 | Lumen (Level 3) | Landline / VoIP |
| 512-682 | Lumen (Level 3) | Landline / VoIP |
| 512-683 | Lumen (Level 3) | Landline / VoIP |
| 512-684 | Lumen (Level 3) | Landline / VoIP |
| 512-685 | Lumen (Level 3) | Landline / VoIP |
| 512-686 | Lumen (Level 3) | Landline / VoIP |
| 512-687 | Windstream (Paetec) | Landline / VoIP |
| 512-688 | Csc Voice | Landline / VoIP |
| 512-689 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-690 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-691 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-692 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-693 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-694 | AT&T Mobility | Wireless |
| 512-695 | AT&T Mobility | Wireless |
| 512-696 | AT&T Mobility | Wireless |
| 512-697 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-698 | T-Mobile | Wireless |
| 512-699 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-701 | AT&T Mobility | Wireless |
| 512-702 | TPx Communications | Landline / VoIP |
| 512-703 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-704 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-705 | AT&T Mobility | Wireless |
| 512-706 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-707 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-708 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-709 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-710 | Bandwidth.com | Landline / VoIP |
| 512-712 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-713 | Lumen (Level 3) | Landline / VoIP |
| 512-714 | AT&T Corp. | Landline / VoIP |
| 512-715 | Frontier Communications | Landline |
| 512-716 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-717 | Peerless Network | Landline / VoIP |
| 512-718 | AT&T Mobility | Wireless |
| 512-719 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-720 | Verizon Wireless | Wireless |
| 512-721 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-722 | Grande Communications (Astound) | Landline / VoIP |
| 512-723 | Lumen (Level 3) | Landline / VoIP |
| 512-724 | Lumen (Level 3) | Landline / VoIP |
| 512-725 | Lumen (Level 3) | Landline / VoIP |
| 512-726 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-727 | Lumen (Level 3) | Landline / VoIP |
| 512-728 | Lumen (Level 3) | Landline / VoIP |
| 512-729 | Onvoy (Sinch) | Landline / VoIP |
| 512-730 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-731 | T-Mobile | Wireless |
| 512-732 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-733 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-734 | Verizon Wireless | Wireless |
| 512-735 | TPx Communications | Landline / VoIP |
| 512-736 | T-Mobile | Wireless |
| 512-737 | Onvoy (Sinch) | Landline / VoIP |
| 512-738 | T-Mobile | Wireless |
| 512-739 | AT&T Mobility | Wireless |
| 512-740 | T-Mobile | Wireless |
| 512-741 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-742 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-743 | T-Mobile | Wireless |
| 512-744 | Lumen (Level 3) | Landline / VoIP |
| 512-745 | Verizon Wireless | Wireless |
| 512-746 | Frontier Communications | Landline |
| 512-747 | Lumen (Level 3) | Landline / VoIP |
| 512-748 | T-Mobile | Wireless |
| 512-749 | Verizon Wireless | Wireless |
| 512-750 | AT&T Mobility | Wireless |
| 512-751 | AT&T Mobility | Wireless |
| 512-752 | Brightspeed | Landline |
| 512-753 | Brightspeed | Landline |
| 512-754 | Brightspeed | Landline |
| 512-755 | Verizon Wireless | Wireless |
| 512-756 | Frontier Communications | Landline |
| 512-757 | AT&T Mobility | Wireless |
| 512-758 | T-Mobile | Wireless |
| 512-759 | Brightspeed | Landline |
| 512-760 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-761 | AT&T Mobility | Wireless |
| 512-762 | T-Mobile | Wireless |
| 512-763 | Frontier Communications | Landline |
| 512-764 | Frontier Communications | Landline |
| 512-765 | AT&T Mobility | Wireless |
| 512-766 | Bandwidth.com | Landline / VoIP |
| 512-767 | T-Mobile | Wireless |
| 512-768 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-769 | T-Mobile | Wireless |
| 512-770 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-771 | AT&T Mobility | Wireless |
| 512-772 | Lumen (Level 3) | Landline / VoIP |
| 512-773 | T-Mobile | Wireless |
| 512-774 | Bandwidth.com | Landline / VoIP |
| 512-775 | T-Mobile | Wireless |
| 512-776 | Lumen (Level 3) | Landline / VoIP |
| 512-777 | Worldcall Interconnect | Wireless |
| 512-778 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-779 | T-Mobile | Wireless |
| 512-780 | Lumen (Level 3) | Landline / VoIP |
| 512-781 | Lumen (CenturyLink) | Landline / VoIP |
| 512-782 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-783 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-784 | T-Mobile | Wireless |
| 512-785 | T-Mobile | Wireless |
| 512-786 | T-Mobile | Wireless |
| 512-787 | T-Mobile | Wireless |
| 512-788 | Lumen (Level 3) | Landline / VoIP |
| 512-789 | T-Mobile | Wireless |
| 512-790 | Bandwidth.com | Landline / VoIP |
| 512-791 | T-Mobile | Wireless |
| 512-792 | Lumen (Level 3) | Landline / VoIP |
| 512-793 | Frontier Communications | Landline |
| 512-794 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-795 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-796 | T-Mobile | Wireless |
| 512-797 | T-Mobile | Wireless |
| 512-798 | Matrix Telecom | Landline / VoIP |
| 512-799 | T-Mobile | Wireless |
| 512-800 | Verizon Wireless | Wireless |
| 512-801 | T-Mobile | Wireless |
| 512-802 | Spok (paging) | Landline / VoIP |
| 512-803 | AT&T Mobility | Wireless |
| 512-804 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-805 | Brightspeed | Landline |
| 512-806 | Lumen (Level 3) | Landline / VoIP |
| 512-807 | Onvoy (Sinch) | Landline / VoIP |
| 512-808 | Windstream (Paetec) | Landline / VoIP |
| 512-809 | Verizon Wireless | Wireless |
| 512-810 | AT&T Mobility | Wireless |
| 512-812 | Lumen (Level 3) | Landline / VoIP |
| 512-813 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-814 | AT&T Mobility | Wireless |
| 512-815 | AT&T Mobility | Wireless |
| 512-816 | Lumen (Level 3) | Landline / VoIP |
| 512-817 | Onvoy (Sinch) | Landline / VoIP |
| 512-818 | AT&T Mobility | Wireless |
| 512-819 | Frontier Communications | Landline |
| 512-820 | Verizon Wireless | Wireless |
| 512-821 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-822 | Foremost Telecommunications Corporation | Landline / VoIP |
| 512-823 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-824 | Matrix Telecom | Landline / VoIP |
| 512-825 | T-Mobile | Wireless |
| 512-826 | AT&T Mobility | Wireless |
| 512-827 | Verizon Wireless | Wireless |
| 512-828 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-829 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-831 | Onvoy (Sinch) | Landline / VoIP |
| 512-832 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-833 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-834 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-835 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-836 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-837 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-838 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-839 | AT&T Mobility | Wireless |
| 512-840 | Lumen (CenturyLink) | Landline / VoIP |
| 512-841 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-842 | Lumen (Level 3) | Landline / VoIP |
| 512-843 | T-Mobile | Wireless |
| 512-844 | T-Mobile | Wireless |
| 512-845 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-846 | Brightspeed | Landline |
| 512-847 | Frontier Communications | Landline |
| 512-848 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-849 | Spok (paging) | Landline / VoIP |
| 512-850 | Verizon Wireless | Wireless |
| 512-851 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-852 | Westel | Landline / VoIP |
| 512-853 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-854 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-855 | AT&T Local | Landline / VoIP |
| 512-856 | Frontier Communications | Landline |
| 512-857 | Lumen (Level 3) | Landline / VoIP |
| 512-858 | Frontier Communications | Landline |
| 512-859 | Frontier Communications | Landline |
| 512-860 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-861 | Onvoy (Sinch) | Landline / VoIP |
| 512-862 | Frontier Communications | Landline |
| 512-863 | Frontier Communications | Landline |
| 512-864 | Frontier Communications | Landline |
| 512-865 | AT&T Mobility | Wireless |
| 512-866 | Peerless Network | Landline / VoIP |
| 512-867 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-868 | Frontier Communications | Landline |
| 512-869 | Frontier Communications | Landline |
| 512-870 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-871 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-872 | Lumen (Level 3) | Landline / VoIP |
| 512-873 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-874 | Lumen (Level 3) | Landline / VoIP |
| 512-875 | Spok (paging) | Landline / VoIP |
| 512-876 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-877 | Peerless Network | Landline / VoIP |
| 512-878 | Grande Communications (Astound) | Landline / VoIP |
| 512-879 | Lumen (Level 3) | Landline / VoIP |
| 512-880 | TPx Communications | Landline / VoIP |
| 512-881 | Onvoy (Sinch) | Landline / VoIP |
| 512-882 | Onvoy (Sinch) | Landline / VoIP |
| 512-883 | Peerless Network | Landline / VoIP |
| 512-884 | Csc Wireless | Wireless |
| 512-885 | Onvoy (Sinch) | Landline / VoIP |
| 512-886 | Bandwidth.com | Landline / VoIP |
| 512-887 | T-Mobile | Wireless |
| 512-888 | Bandwidth.com | Landline / VoIP |
| 512-889 | Onvoy Spectrum (Sinch) | Wireless |
| 512-890 | Peerless Network | Landline / VoIP |
| 512-891 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-892 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-893 | T-Mobile | Wireless |
| 512-894 | Frontier Communications | Landline |
| 512-895 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-896 | Spok (paging) | Landline / VoIP |
| 512-897 | AT&T Mobility | Wireless |
| 512-898 | Frontier Communications | Landline |
| 512-899 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-900 | Lumen (Level 3) | Landline / VoIP |
| 512-901 | Lumen (Level 3) | Landline / VoIP |
| 512-902 | AT&T Mobility | Wireless |
| 512-903 | T-Mobile | Wireless |
| 512-904 | Lumen (Level 3) | Landline / VoIP |
| 512-905 | T-Mobile | Wireless |
| 512-906 | Verizon Wireless | Wireless |
| 512-907 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-908 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-909 | T-Mobile | Wireless |
| 512-910 | Metro by T-Mobile (MetroPCS) | Landline / VoIP |
| 512-912 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-913 | AT&T Mobility | Wireless |
| 512-914 | AT&T Mobility | Wireless |
| 512-915 | AT&T Mobility | Wireless |
| 512-916 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-917 | AT&T Mobility | Wireless |
| 512-918 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-919 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-920 | Nuso | Landline / VoIP |
| 512-921 | AT&T Mobility | Wireless |
| 512-922 | AT&T Mobility | Wireless |
| 512-923 | AT&T Mobility | Wireless |
| 512-924 | AT&T Mobility | Wireless |
| 512-925 | AT&T Mobility | Wireless |
| 512-926 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-927 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-928 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-929 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-930 | Frontier Communications | Landline |
| 512-931 | Frontier Communications | Landline |
| 512-932 | Brightspeed | Landline |
| 512-933 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-934 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-935 | Spok (paging) | Landline / VoIP |
| 512-936 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-937 | Verizon Wireless | Wireless |
| 512-938 | Grande Communications (Astound) | Landline / VoIP |
| 512-939 | AT&T Mobility | Wireless |
| 512-940 | AT&T Mobility | Wireless |
| 512-941 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-942 | Frontier Communications | Landline |
| 512-943 | Frontier Communications | Landline |
| 512-944 | AT&T Mobility | Wireless |
| 512-945 | AT&T Mobility | Wireless |
| 512-946 | Lumen (Level 3) | Landline / VoIP |
| 512-947 | T-Mobile | Wireless |
| 512-948 | Frontier Communications | Landline |
| 512-949 | AT&T Mobility | Wireless |
| 512-952 | Verizon Business (MCImetro) | Landline / VoIP |
| 512-953 | Spectrum (TWC IP) | Landline / VoIP |
| 512-954 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-955 | Onvoy (Sinch) | Landline / VoIP |
| 512-956 | Bandwidth.com | Landline / VoIP |
| 512-957 | Bandwidth.com | Landline / VoIP |
| 512-960 | AT&T Mobility | Wireless |
| 512-961 | T-Mobile | Wireless |
| 512-962 | Verizon Wireless | Wireless |
| 512-963 | AT&T Mobility | Wireless |
| 512-964 | AT&T Mobility | Wireless |
| 512-965 | AT&T Mobility | Wireless |
| 512-966 | AT&T Mobility | Wireless |
| 512-967 | Peerless Network | Landline / VoIP |
| 512-968 | AT&T Mobility | Wireless |
| 512-969 | Csc Voice | Landline / VoIP |
| 512-970 | AT&T Mobility | Wireless |
| 512-971 | AT&T Mobility | Wireless |
| 512-972 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-973 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-974 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-975 | AT&T Mobility | Wireless |
| 512-977 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-978 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-979 | AT&T Mobility | Wireless |
| 512-980 | Telnyx | Landline / VoIP |
| 512-981 | AT&T Mobility | Wireless |
| 512-982 | AT&T (Teleport Communications) | Landline / VoIP |
| 512-983 | AT&T Mobility | Wireless |
| 512-984 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-985 | Spectrum (TWC IP) | Landline / VoIP |
| 512-986 | T-Mobile | Wireless |
| 512-987 | Verizon Wireless | Wireless |
| 512-988 | AT&T Mobility | Wireless |
| 512-989 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-990 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-991 | Onvoy (Sinch) | Landline / VoIP |
| 512-992 | AT&T Mobility | Wireless |
| 512-993 | Verizon Wireless | Wireless |
| 512-994 | AT&T Mobility | Wireless |
| 512-995 | AT&T Mobility | Wireless |
| 512-996 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-997 | AT&T Southwest (Southwestern Bell) | Landline |
| 512-998 | T-Mobile | Wireless |
| 512-999 | Worldcall Interconnect | Wireless |
Line type reflects the registry assignment; ported numbers can differ. Unknown 512 number calling? ActiveArmor® screens it before you ever look it up.
Cities & Communities in and around Area Code 512
Communities the 512 serves, filtered against the numbering registry’s rate centers, with each community’s key ZIP codes and the AT&T home internet available there. Cities link to their local AT&T internet page.
| City / community | Key ZIP codes | AT&T internet |
|---|---|---|
| Austin | 78703, 78705, 78712 | Fiber up to 5 GIG |
| Bastrop | 78602 | Fiber up to 5 GIG |
| Bee Cave | 78738, 78736, 78733 | Fiber up to 5 GIG |
| Bertram | 78605, 78642 | Internet Air |
| Briggs | 78608 | Internet Air |
| Buda | 78610, 78652, 78640 | Fiber up to 5 GIG |
| Burnet | 78611 | Internet Air |
| Canyon Lake | 78133, 78623 | Fiber up to 5 GIG |
| Cedar Creek | 78612, 78617 | Fiber up to 5 GIG |
| Cedar Park | 78613, 78717, 78750 | Fiber up to 5 GIG |
| Copperas Cove | 76539, 76522 | Internet Air |
| Coupland | 78615 | Internet Air |
| Creedmoor | 78747, 78719, 78610 | Fiber up to 5 GIG |
| Driftwood | 78619, 78737 | Internet Air |
| Dripping Springs | 78620, 78619 | Internet Air |
| Elgin | 78621, 78615, 78653 | Fiber up to 5 GIG |
| Evant | 76525 | Internet Air |
| Georgetown | 78626, 78628, 78633 | Fiber up to 5 GIG |
| Giddings | 78942 | Check address |
| Granger | 76530, 76511, 76573 | Check address |
| Hays | 78652, 78610, 78739 | Fiber up to 5 GIG |
| Highland Haven | 78639, 78657 | Check address |
| Hutto | 78634, 78665, 78664 | Fiber up to 5 GIG |
| Jarrell | 76537, 76573 | Check address |
| Jonestown | 78645, 78641, 78726 | Fiber up to 5 GIG |
| Kempner | 76539 | Internet Air |
| Kingsland | 78639, 78609 | Internet Air |
| Kyle | 78640, 78610, 78656 | Fiber up to 5 GIG |
| Lago Vista | 78545, 78585, 78584 | Fiber up to 5 GIG |
| Lakeway | 78734, 78738, 78732 | Fiber up to 5 GIG |
| Lampasas | 76550 | Internet Air |
| Leander | 78641, 78613, 78628 | Fiber up to 5 GIG |
| Liberty Hill | 78642, 78641, 78628 | Fiber up to 5 GIG |
| Lockhart | 78644, 78656 | Fiber up to 5 GIG |
| Lometa | 76853 | Internet Air |
| Luling | 78648, 78658, 78661 | Internet Air |
| Manchaca | 78652, 78748, 78610 | Fiber up to 5 GIG |
| Manor | 78653, 78754, 78724 | Fiber up to 5 GIG |
| Marble Falls | 78654, 78657 | Internet Air |
| Martindale | 78655, 78656, 78622 | Internet Air |
| McDade | 78650, 78621 | Check address |
| Milano | 76556 | Internet Air |
| Paige | 78659 | Fiber up to 5 GIG |
| Pflugerville | 78660, 78664, 78728 | Fiber up to 5 GIG |
| Red Rock | 78662, 78616 | Internet Air |
| Rockdale | 76567 | Fiber up to 5 GIG |
| Rollingwood | 78703, 78746, 78704 | Fiber up to 5 GIG |
| Round Rock | 78664, 78665, 78681 | Fiber up to 5 GIG |
| San Marcos | 78666, 78655 | Internet Air |
| Smithville | 78957 | Internet Air |
| Sunset Valley | 78745, 78749, 78704 | Fiber up to 5 GIG |
| Taylor | 76574, 78634, 78615 | Fiber up to 5 GIG |
| The Hills | 78738, 78734, 78732 | Fiber up to 5 GIG |
| Thorndale | 76577, 76578 | Check address |
| Volente | 78645, 78726, 78732 | Fiber up to 5 GIG |
| Webberville | 78725, 78653 | Fiber up to 5 GIG |
| West Lake Hills | 78746, 78703, 78735 | Fiber up to 5 GIG |
| Wimberley | 78676, 78623 | Internet Air |
City list: AT&T service-area records and the public numbering registry. Key ZIPs: U.S. Census data for each community. Internet type: AT&T eligibility data, June 2026. Availability is always confirmed at your exact address.
512 Area Code Map
Area code 512 covers Austin and central Texas, overlaid by 737. The shaded area is derived from the registry rate centers that home 512 numbers.
↓ Printable PDF
Open the printable 512 map (PDF) · All Texas area codes · Home internet in Austin
Counties Covered by the 512 Area Code
Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 512 also reaches parts of Bastrop County, Coryell County, Burnet County, Caldwell County, Milam County, Lampasas County, Llano County, Gonzales County and 1 more.
The 512, explained
Area Code 512: More Than a Number in Austin
In Austin, the 512 is more than digits on a caller ID. It’s one of the original area codes of 1947, and it has meant Austin and central Texas ever since — 783 carrier prefixes keep its lines busy today, and an established 512 number still says you’ve been here a while.
The map tells its own story: Austin and central Texas, with 737 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 512 came first.
Keeping a 512 matters here. An existing 512 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S. New lines in the area often draw 737 instead — one more reason locals hold on to theirs.
Need a new local number? Shop plans Keep your 512: bring it to AT&TInternet, wireless & stores in the 512
AT&T Home Internet in Area Code 512
AT&T home internet serves communities across area code 512, with AT&T Fiber where it’s built and AT&T Internet Air covering the gaps. Availability is decided address by address; every community in the table above links to its local internet page.
No data capsNo annual contractNo equipment fees
AT&T Fiber: Ltd. avail/areas. Speeds based on wired connection. Actual speeds vary. For 5-GIG, single device wired speed maximum 4.7Gbps. For more info., visit att.com/speed101. AT&T Internet Air: AT&T Internet Air not available in all areas. In rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a minimum of 30 min.
Pair it with wireless in an internet + wireless bundle. Run a business in the 512? AT&T Business Internet is available at many addresses.
Fiber install day in the 512Check your address ›
Moving to Area Code 512?
Set up home internet in area code 512 before the boxes arrive, and find your new community in the table above or check your exact address below.
Your number moves with you: port your 512 number from anywhere, or keep your old number when you arrive. An AT&T store nearby can handle the whole switch in one visit.
1 · Check your addressSee Fiber or Internet Air availability in seconds.
2 · Schedule for move-in dayInstall lined up before the boxes arrive.
3 · Keep your numberYour mobile number ports; your internet moves.
Get set up before move-in dayPlan your move ›
AT&T Wireless in Area Code 512
AT&T’s 5G network covers most of area code 512. ActiveArmor® spam blocking is included with every unlimited plan, your 512 number stays yours, and great cell phone deals in Austin are a tap away.
5G across the 512ActiveArmor® includedKeep your 512 number
AT&T may temporarily slow data speeds if the network is busy. 5G req’s compatible plan & device. Coverage not available everywhere. Learn more at att.com/5Gforyou.
Need a new 512 number? Ask when you activate a line: the 512 shares its territory with 737, so new lines may draw one of those codes, and porting an existing 512 number keeps it yours.
Stay connected across AustinShop wireless plans ›
AT&T Stores in Area Code 512
Looking for cell phone stores in area code 512? These stores answer on 512 numbers — walk in for switching, porting, upgrades and hands-on help:
Every AT&T store in the region, company owned and authorized retailer alike, each with its own store page.
Real help from real people in AustinFind your store ›
All AT&T Stores with 512 Numbers
Every store below answers on a 512 number. Tap any number to call.
34 AT&T stores with 512 numbers
International Calling from Area Code 512
Calling abroad from area code 512? AT&T International Calling adds discounted or unlimited rates to 200+ countries on top of your existing plan, and unlimited texting from the U.S. to 200+ destinations is already included on AT&T unlimited plans.
Where the 512 calls most:MexicoIndiaHondurasVietnamChinaEl Salvador
Top places of birth among foreign-born residents of the 512’s counties, U.S. Census Bureau ACS 2023.
Calling abroad from a 512 number: dial 011 + country code + number (or just + on a mobile). Traveling abroad instead? International Day Pass® takes your talk, text and data with you for a flat daily rate.
International Calling and International Day Pass® availability, rates and included destinations vary by plan; see att.com for the current country list.
Austin calls the worldSee international plans ›
512 Area Code Quick Facts & Dialing
StateTexas
Time zoneCentralUTC-6 / UTC-5
Overlays737share this territory
Established1947original code
Dialing10 digitsrequired
Toll-free?Nogeographic code
Population2.68Mcounties served, Census 2023
Largest cityAustin+57 more ›
How to dial a 512 number
| Scenario | Format | Example |
|---|---|---|
| Local call (within the region) | 512 + 7-digit number | (512) 555-0100 |
| Long distance (within the U.S.) | 1 + 512 + 7-digit number | 1 (512) 555-0100 |
| Calling 512 from another country | +1 512 + 7-digit number | +1 512 555 0100 |
| From a mobile phone | (512) + 7-digit number | (512) 555-0100 |
A Short History of Area Code 512
One of the original area codes of 1947, the 512 has served Austin and central Texas from the beginning.
1947Assigned as one of the original 86 codes
1992Territory split off as 210
1999Territory split off as 361
2013First overlay: 737
Area Code 512 vs the related codes
| Code | Added | Type | Where it works |
|---|---|---|---|
| 512 | 1947 | Original | Austin and central Texas |
| 210 | 1992 | Split | Territory carved from the 512 |
| 361 | 1999 | Split | Territory carved from the 512 |
| 737 | 2013 | Overlay | Same territory as the 512 |
Same rates, same local dialing: a number from any code in the region works exactly like a 512.
Nearby & Related Area Codes
Browse area codes by state: Texas (29) · California (41) · Florida (23) · all 50 states ›
Area Code 512 FAQ
What area code is 512?
512 is the area code for Austin, Texas and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 512?
Area code 512 serves Austin, Texas and nearby communities including Andice, Austin, Bastrop. The full city list is in the cities table above.
Why did I get a text message from a 512 number?
The most common 512 text scam opens like a wrong number (“u at home?”, “are you busy tomorrow?”) and tries to move you to WhatsApp. Don’t reply. Forward the text to 7726 (SPAM) and delete it. AT&T ActiveArmor® filters known scam senders automatically.
Who called me from area code 512?
A 512 number usually means Austin or a nearby community, but spoofing is common. This page’s prefix lookup isn’t a reverse phone lookup — it can’t name the caller, but it shows the carrier, line type and community a number was issued to, which is often enough to judge a call.
What time zone is area code 512?
Central time. The live local time is shown at the top of this page.
Why am I getting calls from 512 numbers?
512 is an active, legitimate Texas area code, but scammers spoof local numbers because people answer them. If there’s no voicemail, let it go. AT&T ActiveArmor® blocks and labels spam automatically, and you can report unwanted calls at reportfraud.ftc.gov. The spam report board above shows which 512 prefixes are drawing complaints right now.
Is 512 a toll-free number?
No. 512 is a geographic area code tied to Austin, Texas. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
What’s the difference between 512 and 737?
737 is an overlay of 512: both cover the same Austin area, and calls between them are local. New lines may get either code.
Which cities use area code 512?
The largest communities include Austin, Bastrop, Bee Cave, Bertram, Briggs. The full list is in the cities table above.
Does AT&T offer service in the 512?
Yes: home internet, wireless and retail stores across the 512. Availability is checked address by address.
Can I still get a 512 number?
Yes. Carriers in Austin and across the 512 still issue 512 numbers on new lines, and you can port an existing 512 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.
Can I keep my 512 number if I move?
Yes. Phone numbers are portable: your 512 number can move with you anywhere in the U.S., whether you stay with your carrier or switch.
Sources: city and store data from AT&T records; prefix and carrier assignments from the public numbering registry (pulled July 2026). Facts regenerate monthly.
