Who Called Me from Area Code 925?
Quick answerA 925 call usually comes from Concord 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 925 prefixes, right on this page.
- Curious who issued a number? Every 925 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 925 prefixes this month
PrefixReported patternReport volume
(925) 941-XXXXRobocall-heavy
(925) 500-XXXXRobocall-heavy
(925) 723-XXXXRobocall-heavy
(925) 693-XXXXRobocall-heavy
(925) 983-XXXXRobocall-heavy
307 unwanted-call reports naming 925 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.
Block spam calls in the 925, 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
- Access to the AT&T 5G network
Offer details
Service good for 30 days. Data: Limited to 100GB of data and 25GB of hotspot data. No additional data is available after limit is reached. Video is limited to SD quality. Talk & Text: Includes unlimited talk & text within the U.S. and unlimited text from the U.S. to over 230 countries. Limits: One trial per user. An unlocked, dual eSIM iPhone is required. You’ll receive a trial phone number that belongs to AT&T and is not available to be ported to another carrier or otherwise retained. Trial plan features and details may differ from or be unavailable in other AT&T plans. U.S. only. All terms subject to change at any time.
Is Area Code 925 a Scam?
No. 925 is a legitimate Concord area code.
It’s carved from the 510 in 1998 and serves Concord and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.
The code is realSplit from the 510 in 1998; 635 assigned carrier prefixes serve it today.
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 925 numbers
The most common area code 925 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 925
Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 925 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 925 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 925 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.
925 Area Code Prefix & Carrier Lookup
The three digits after the area code identify the carrier a number was issued to. All 635 assigned 925 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 925 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.
635 prefixes · updated monthly
| Prefix | Carrier | Line type |
|---|---|---|
| 925-200 | Verizon Wireless | Wireless |
| 925-201 | TPx Communications | Landline |
| 925-202 | T-Mobile | Wireless |
| 925-203 | AT&T Mobility | Wireless |
| 925-204 | T-Mobile | Wireless |
| 925-205 | T-Mobile | Wireless |
| 925-206 | Verizon Wireless | Wireless |
| 925-207 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-208 | AT&T (Teleport Communications) | Landline |
| 925-209 | T-Mobile | Wireless |
| 925-210 | Pacific Bell | Landline |
| 925-212 | AT&T Mobility | Wireless |
| 925-213 | Spok (paging) | Landline |
| 925-214 | Peerless Network | VoIP |
| 925-215 | Lumen (Level 3) | VoIP |
| 925-216 | AT&T Mobility | Wireless |
| 925-217 | Lumen (Level 3) | VoIP |
| 925-218 | Lumen (Level 3) | VoIP |
| 925-219 | Lumen (Level 3) | VoIP |
| 925-220 | Verizon Wireless | Wireless |
| 925-221 | 33 Wireless | Wireless |
| 925-222 | Onvoy (Sinch) | VoIP |
| 925-223 | Verizon Business (MCImetro) | Landline |
| 925-224 | Pacific Bell | Landline |
| 925-225 | Pacific Bell | Landline |
| 925-226 | Verizon Business (MCImetro) | Landline |
| 925-227 | Pacific Bell | Landline |
| 925-228 | Pacific Bell | Landline |
| 925-229 | Pacific Bell | Landline |
| 925-230 | Lumen (Level 3) | VoIP |
| 925-231 | Lumen (Level 3) | VoIP |
| 925-232 | Lumen (Level 3) | VoIP |
| 925-233 | Lumen (Level 3) | VoIP |
| 925-234 | Lumen (Level 3) | VoIP |
| 925-235 | Lumen (Level 3) | VoIP |
| 925-236 | Lumen (Level 3) | VoIP |
| 925-237 | Verizon Business (MCImetro) | Landline |
| 925-238 | Comcast Phone Of California | Landline |
| 925-239 | Peerless Network | VoIP |
| 925-240 | Pacific Bell | Landline |
| 925-241 | Verizon Business (MCImetro) | Landline |
| 925-242 | Pacific Bell | Landline |
| 925-243 | Pacific Bell | Landline |
| 925-244 | Pacific Bell | Landline |
| 925-245 | Pacific Bell | Landline |
| 925-246 | Pacific Bell | Landline |
| 925-247 | Pacific Bell | Landline |
| 925-248 | Pacific Bell | Landline |
| 925-249 | Pacific Bell | Landline |
| 925-250 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-251 | Pacific Bell | Landline |
| 925-252 | Pacific Bell | Landline |
| 925-253 | Pacific Bell | Landline |
| 925-254 | Pacific Bell | Landline |
| 925-255 | Verizon Business (MCImetro) | Landline |
| 925-256 | Pacific Bell | Landline |
| 925-257 | Verizon Business (MCImetro) | Landline |
| 925-258 | Pacific Bell | Landline |
| 925-259 | Verizon Business (MCImetro) | Landline |
| 925-260 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-261 | Pacific Bell | Landline |
| 925-262 | Lumen (Level 3) | VoIP |
| 925-263 | Lumen (Level 3) | VoIP |
| 925-264 | Lumen (Level 3) | VoIP |
| 925-265 | Lumen (Level 3) | VoIP |
| 925-266 | Verizon Wireless | Wireless |
| 925-267 | Verizon Business (MCImetro) | Landline |
| 925-268 | Verizon Business (MCImetro) | Landline |
| 925-269 | Verizon Business (MCImetro) | Landline |
| 925-270 | Lumen (Level 3) | VoIP |
| 925-271 | AT&T (Teleport Communications) | Landline |
| 925-272 | Lumen (Level 3) | VoIP |
| 925-273 | Verizon Business (MCImetro) | Landline |
| 925-274 | Pacific Bell | Landline |
| 925-275 | Pacific Bell | Landline |
| 925-276 | Verizon Business (MCImetro) | Landline |
| 925-277 | Pacific Bell | Landline |
| 925-278 | Comcast Phone Of California | Landline |
| 925-279 | Pacific Bell | Landline |
| 925-280 | Pacific Bell | Landline |
| 925-281 | Onvoy (Sinch) | VoIP |
| 925-282 | Verizon Business (MCImetro) | Landline |
| 925-283 | Pacific Bell | Landline |
| 925-284 | Pacific Bell | Landline |
| 925-285 | AT&T Mobility | Wireless |
| 925-286 | AT&T Mobility | Wireless |
| 925-287 | Pacific Bell | Landline |
| 925-288 | Pacific Bell | Landline |
| 925-289 | Onvoy (Sinch) | VoIP |
| 925-290 | Xo California | Landline |
| 925-291 | Verizon Business (MCImetro) | Landline |
| 925-292 | Comcast Phone Of California | Landline |
| 925-293 | Matrix Telecom | Landline |
| 925-294 | Pacific Bell | Landline |
| 925-295 | Pacific Bell | Landline |
| 925-296 | Pacific Bell | Landline |
| 925-297 | Verizon Business (MCImetro) | Landline |
| 925-298 | Verizon Business (MCImetro) | Landline |
| 925-299 | Pacific Bell | Landline |
| 925-300 | T-Mobile | Wireless |
| 925-301 | Lumen (Level 3) | VoIP |
| 925-302 | Lumen (Level 3) | VoIP |
| 925-303 | Lumen (Level 3) | VoIP |
| 925-304 | Lumen (Level 3) | VoIP |
| 925-305 | Lumen (Level 3) | VoIP |
| 925-306 | Sonic Telecom | Landline |
| 925-307 | Lumen (Level 3) | VoIP |
| 925-308 | Lumen (Level 3) | VoIP |
| 925-309 | Lumen (Level 3) | VoIP |
| 925-310 | Lumen (Level 3) | VoIP |
| 925-312 | Spok (paging) | Landline |
| 925-313 | Pacific Bell | Landline |
| 925-314 | Pacific Bell | Landline |
| 925-315 | Lumen (Level 3) | VoIP |
| 925-316 | Lumen (Level 3) | VoIP |
| 925-317 | Bandwidth.com | VoIP |
| 925-318 | Lumen (Level 3) | VoIP |
| 925-319 | T-Mobile | Wireless |
| 925-320 | TPx Communications | Landline |
| 925-321 | AT&T Mobility | Wireless |
| 925-322 | Bandwidth.com | VoIP |
| 925-323 | AT&T Mobility | Wireless |
| 925-324 | Verizon Wireless | Wireless |
| 925-325 | T-Mobile | Wireless |
| 925-326 | Lumen (Level 3) | VoIP |
| 925-327 | Pacific Bell | Landline |
| 925-328 | Pacific Bell | Landline |
| 925-329 | Verizon Wireless | Wireless |
| 925-330 | AT&T Mobility | Wireless |
| 925-331 | TPx Communications | Landline |
| 925-332 | Peerless Network | VoIP |
| 925-333 | American Messaging (paging) | Landline |
| 925-334 | Verizon Wireless | Wireless |
| 925-335 | Pacific Bell | Landline |
| 925-336 | AT&T Mobility | Wireless |
| 925-337 | Verizon Wireless | Wireless |
| 925-338 | Bandwidth.com | VoIP |
| 925-339 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-340 | Spok (paging) | Landline |
| 925-341 | AT&T Mobility | Wireless |
| 925-342 | Commio | Landline |
| 925-343 | American Messaging (paging) | Landline |
| 925-344 | TPx Communications | Landline |
| 925-345 | American Messaging (paging) | Landline |
| 925-346 | American Messaging (paging) | Landline |
| 925-347 | American Messaging (paging) | Landline |
| 925-348 | AT&T Mobility | Wireless |
| 925-349 | AT&T (Teleport Communications) | Landline |
| 925-350 | Comcast Phone Of California | Landline |
| 925-351 | T-Mobile | Wireless |
| 925-352 | T-Mobile | Wireless |
| 925-353 | AT&T Mobility | Wireless |
| 925-354 | AT&T Mobility | Wireless |
| 925-355 | Pacific Bell | Landline |
| 925-356 | Pacific Bell | Landline |
| 925-357 | Lumen (Level 3) | VoIP |
| 925-358 | Pacific Bell | Landline |
| 925-359 | Verizon Business (MCImetro) | Landline |
| 925-360 | AT&T Mobility | Wireless |
| 925-361 | AT&T (Teleport Communications) | Landline |
| 925-362 | Pacific Bell | Landline |
| 925-363 | Pacific Bell | Landline |
| 925-364 | Verizon Business (MCImetro) | Landline |
| 925-365 | AT&T (Teleport Communications) | Landline |
| 925-366 | T-Mobile | Wireless |
| 925-367 | T-Mobile | Wireless |
| 925-368 | T-Mobile | Wireless |
| 925-369 | Matrix Telecom | Landline |
| 925-370 | Pacific Bell | Landline |
| 925-371 | Pacific Bell | Landline |
| 925-372 | Pacific Bell | Landline |
| 925-373 | Pacific Bell | Landline |
| 925-374 | Verizon Business (MCImetro) | Landline |
| 925-375 | Verizon Wireless | Wireless |
| 925-376 | Pacific Bell | Landline |
| 925-377 | Pacific Bell | Landline |
| 925-378 | Verizon Wireless | Wireless |
| 925-379 | Lumen (Level 3) | VoIP |
| 925-380 | Lumen (Level 3) | VoIP |
| 925-381 | AT&T Mobility | Wireless |
| 925-382 | T-Mobile | Wireless |
| 925-383 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-384 | At&T Enterprises | Landline |
| 925-385 | AT&T (Teleport Communications) | Landline |
| 925-386 | AT&T (Teleport Communications) | Landline |
| 925-387 | AT&T (Teleport Communications) | Landline |
| 925-388 | AT&T (Teleport Communications) | Landline |
| 925-389 | AT&T Mobility | Wireless |
| 925-390 | AT&T Mobility | Wireless |
| 925-391 | Lumen (Level 3) | VoIP |
| 925-392 | AT&T (Teleport Communications) | Landline |
| 925-393 | Onvoy (Sinch) | VoIP |
| 925-394 | Lumen (Level 3) | VoIP |
| 925-395 | AT&T (Teleport Communications) | Landline |
| 925-396 | Onvoy (Sinch) | VoIP |
| 925-397 | Onvoy (Sinch) | VoIP |
| 925-398 | AT&T (Teleport Communications) | Landline |
| 925-399 | Comcast Phone Of California | Landline |
| 925-400 | Bandwidth.com | VoIP |
| 925-401 | Verizon Business (MCImetro) | Landline |
| 925-402 | Verizon Business (MCImetro) | Landline |
| 925-403 | Verizon Business (MCImetro) | Landline |
| 925-404 | Verizon Business (MCImetro) | Landline |
| 925-405 | Verizon Business (MCImetro) | Landline |
| 925-406 | Verizon Business (MCImetro) | Landline |
| 925-407 | Verizon Business (MCImetro) | Landline |
| 925-408 | AT&T Mobility | Wireless |
| 925-409 | Verizon Wireless | Wireless |
| 925-410 | TPx Communications | Landline |
| 925-412 | Verizon Wireless | Wireless |
| 925-413 | AT&T Mobility | Wireless |
| 925-414 | Verizon Wireless | Wireless |
| 925-415 | Lumen (Level 3) | VoIP |
| 925-416 | Pacific Bell | Landline |
| 925-417 | Pacific Bell | Landline |
| 925-418 | Lumen (Level 3) | VoIP |
| 925-419 | Onvoy (Sinch) | VoIP |
| 925-420 | Onvoy (Sinch) | VoIP |
| 925-421 | Bandwidth.com | VoIP |
| 925-422 | Pacific Bell | Landline |
| 925-423 | Pacific Bell | Landline |
| 925-424 | Pacific Bell | Landline |
| 925-425 | AT&T (Teleport Communications) | Landline |
| 925-426 | Pacific Bell | Landline |
| 925-427 | Pacific Bell | Landline |
| 925-428 | T-Mobile | Wireless |
| 925-429 | Lumen (Level 3) | VoIP |
| 925-430 | Comcast Phone Of California | Landline |
| 925-431 | Pacific Bell | Landline |
| 925-432 | Pacific Bell | Landline |
| 925-433 | Comcast Phone Of California | Landline |
| 925-434 | Peerless Network | VoIP |
| 925-435 | T-Mobile | Wireless |
| 925-436 | T-Mobile | Wireless |
| 925-437 | AT&T Mobility | Wireless |
| 925-438 | TPx Communications | Landline |
| 925-439 | Pacific Bell | Landline |
| 925-440 | Verizon Wireless | Wireless |
| 925-441 | TPx Communications | Landline |
| 925-443 | Pacific Bell | Landline |
| 925-444 | TPx Communications | Landline |
| 925-445 | T-Mobile | Wireless |
| 925-446 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-447 | Pacific Bell | Landline |
| 925-448 | Verizon Wireless | Wireless |
| 925-449 | Pacific Bell | Landline |
| 925-450 | Bandwidth.com | VoIP |
| 925-451 | AT&T Mobility | Wireless |
| 925-452 | TPx Communications | Landline |
| 925-453 | Verizon Business (MCImetro) | Landline |
| 925-454 | Pacific Bell | Landline |
| 925-455 | Pacific Bell | Landline |
| 925-456 | Pacific Bell | Landline |
| 925-457 | T-Mobile | Wireless |
| 925-458 | Pacific Bell | Landline |
| 925-459 | Lumen (Level 3) | VoIP |
| 925-460 | Pacific Bell | Landline |
| 925-461 | Pacific Bell | Landline |
| 925-462 | Pacific Bell | Landline |
| 925-463 | Pacific Bell | Landline |
| 925-464 | Verizon Wireless | Wireless |
| 925-465 | Lumen (Level 3) | VoIP |
| 925-466 | FracTEL | Landline |
| 925-467 | Pacific Bell | Landline |
| 925-468 | Pacific Bell | Landline |
| 925-469 | Pacific Bell | Landline |
| 925-470 | AT&T (Teleport Communications) | Landline |
| 925-471 | Onvoy (Sinch) | VoIP |
| 925-472 | Pacific Bell | Landline |
| 925-473 | Pacific Bell | Landline |
| 925-474 | TPx Communications | Landline |
| 925-475 | Matrix Telecom | Landline |
| 925-476 | Matrix Telecom | Landline |
| 925-477 | T-Mobile | Wireless |
| 925-478 | Lumen (Level 3) | VoIP |
| 925-479 | Pacific Bell | Landline |
| 925-480 | TPx Communications | Landline |
| 925-481 | AT&T Mobility | Wireless |
| 925-482 | TPx Communications | Landline |
| 925-483 | Comcast Phone Of California | Landline |
| 925-484 | Pacific Bell | Landline |
| 925-485 | Pacific Bell | Landline |
| 925-486 | Onvoy (Sinch) | VoIP |
| 925-487 | AT&T Mobility | Wireless |
| 925-488 | Peerless Network | VoIP |
| 925-489 | T-Mobile | Wireless |
| 925-490 | Bandwidth.com | VoIP |
| 925-491 | Onvoy (Sinch) | VoIP |
| 925-492 | Commio | Landline |
| 925-493 | AT&T (Teleport Communications) | Landline |
| 925-494 | Bandwidth.com | VoIP |
| 925-495 | Bandwidth.com | VoIP |
| 925-496 | Bandwidth.com | VoIP |
| 925-497 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-498 | TPx Communications | Landline |
| 925-499 | Verizon Business (MCImetro) | Landline |
| 925-500 | Onvoy (Sinch) | VoIP |
| 925-501 | T-Mobile | Wireless |
| 925-502 | AT&T Mobility | Wireless |
| 925-503 | T-Mobile | Wireless |
| 925-504 | AT&T Mobility | Wireless |
| 925-505 | Boost Mobile | Landline |
| 925-506 | T-Mobile | Wireless |
| 925-507 | Verizon Wireless | Wireless |
| 925-508 | Onvoy (Sinch) | VoIP |
| 925-509 | Spok (paging) | Landline |
| 925-510 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-512 | Onvoy (Sinch) | VoIP |
| 925-513 | Pacific Bell | Landline |
| 925-514 | AT&T Mobility | Wireless |
| 925-515 | Onvoy (Sinch) | VoIP |
| 925-516 | Pacific Bell | Landline |
| 925-517 | Onvoy (Sinch) | VoIP |
| 925-518 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-519 | Verizon Wireless | Wireless |
| 925-520 | Pacific Bell | Landline |
| 925-521 | Pacific Bell | Landline |
| 925-522 | Pacific Bell | Landline |
| 925-523 | Pacific Bell | Landline |
| 925-524 | Pacific Bell | Landline |
| 925-525 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-526 | TPx Communications | Landline |
| 925-527 | Utility Telecom Group | Landline |
| 925-528 | T-Mobile | Wireless |
| 925-529 | Onvoy (Sinch) | VoIP |
| 925-531 | Onvoy Spectrum (Sinch) | VoIP |
| 925-532 | Telnyx | Landline |
| 925-533 | FracTEL | Landline |
| 925-534 | Lumen (Level 3) | VoIP |
| 925-535 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-536 | Telnyx | Landline |
| 925-537 | Ton80 Communications | Landline |
| 925-538 | T-Mobile | Wireless |
| 925-539 | T-Mobile | Wireless |
| 925-540 | AT&T Mobility | Wireless |
| 925-541 | Shelcomm | Landline |
| 925-542 | Verizon Wireless | Wireless |
| 925-543 | Pacific Bell | Landline |
| 925-544 | AT&T Mobility | Wireless |
| 925-545 | T-Mobile | Wireless |
| 925-546 | Ton80 Communications | Landline |
| 925-547 | Boost Mobile | Landline |
| 925-548 | AT&T Mobility | Wireless |
| 925-549 | AT&T Mobility | Wireless |
| 925-550 | AT&T Mobility | Wireless |
| 925-551 | Pacific Bell | Landline |
| 925-552 | Pacific Bell | Landline |
| 925-553 | Verizon Business (MCImetro) | Landline |
| 925-554 | T-Mobile | Wireless |
| 925-556 | Pacific Bell | Landline |
| 925-557 | Verizon Business (MCImetro) | Landline |
| 925-558 | Verizon Business (MCImetro) | Landline |
| 925-559 | AT&T Mobility | Wireless |
| 925-560 | Pacific Bell | Landline |
| 925-565 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-566 | AT&T (Teleport Communications) | Landline |
| 925-567 | T-Mobile | Wireless |
| 925-568 | AT&T (Teleport Communications) | Landline |
| 925-570 | T-Mobile | Wireless |
| 925-571 | North County Communication Corporation | Landline |
| 925-572 | North County Communication Corporation | Landline |
| 925-573 | North County Communication Corporation | Landline |
| 925-574 | TPx Communications | Landline |
| 925-575 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-577 | T-Mobile | Wireless |
| 925-578 | Ton80 Communications | Landline |
| 925-579 | Verizon Business (MCImetro) | Landline |
| 925-580 | T-Mobile | Wireless |
| 925-582 | Onvoy (Sinch) | VoIP |
| 925-583 | TPx Communications | Landline |
| 925-584 | T-Mobile | Wireless |
| 925-586 | Verizon Wireless | Wireless |
| 925-587 | TPx Communications | Landline |
| 925-588 | TPx Communications | Landline |
| 925-590 | Onvoy Spectrum (Sinch) | VoIP |
| 925-592 | TPx Communications | Landline |
| 925-594 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-595 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-596 | Verizon Wireless | Wireless |
| 925-597 | Verizon Wireless | Wireless |
| 925-598 | Pacific Bell | Landline |
| 925-599 | FracTEL | Landline |
| 925-600 | Pacific Bell | Landline |
| 925-602 | Pacific Bell | Landline |
| 925-603 | Pacific Bell | Landline |
| 925-605 | Matrix Telecom | Landline |
| 925-606 | Pacific Bell | Landline |
| 925-607 | Onvoy (Sinch) | VoIP |
| 925-608 | Lumen (Level 3) | VoIP |
| 925-609 | Pacific Bell | Landline |
| 925-621 | TPx Communications | Landline |
| 925-623 | T-Mobile | Wireless |
| 925-625 | Pacific Bell | Landline |
| 925-626 | Verizon Business (MCImetro) | Landline |
| 925-627 | TPx Communications | Landline |
| 925-628 | Verizon Wireless | Wireless |
| 925-631 | Pacific Bell | Landline |
| 925-633 | FracTEL | Landline |
| 925-634 | Pacific Bell | Landline |
| 925-635 | AT&T (Teleport Communications) | Landline |
| 925-638 | AT&T (Teleport Communications) | Landline |
| 925-639 | T-Mobile | Wireless |
| 925-640 | AT&T Mobility | Wireless |
| 925-642 | AT&T Mobility | Wireless |
| 925-643 | TPx Communications | Landline |
| 925-644 | FracTEL | Landline |
| 925-646 | Pacific Bell | Landline |
| 925-648 | Pacific Bell | Landline |
| 925-655 | FracTEL | Landline |
| 925-658 | AT&T (Teleport Communications) | Landline |
| 925-659 | AT&T (Teleport Communications) | Landline |
| 925-660 | Lumen (Level 3) | VoIP |
| 925-663 | Matrix Telecom | Landline |
| 925-664 | Matrix Telecom | Landline |
| 925-665 | Matrix Telecom | Landline |
| 925-666 | Matrix Telecom | Landline |
| 925-667 | TPx Communications | Landline |
| 925-671 | Pacific Bell | Landline |
| 925-672 | Pacific Bell | Landline |
| 925-673 | Pacific Bell | Landline |
| 925-674 | Pacific Bell | Landline |
| 925-675 | Pacific Bell | Landline |
| 925-676 | Pacific Bell | Landline |
| 925-677 | Pacific Bell | Landline |
| 925-678 | TPx Communications | Landline |
| 925-679 | Pacific Bell | Landline |
| 925-680 | Pacific Bell | Landline |
| 925-681 | Pacific Bell | Landline |
| 925-682 | Pacific Bell | Landline |
| 925-683 | AT&T Mobility | Wireless |
| 925-684 | Pacific Bell | Landline |
| 925-685 | Pacific Bell | Landline |
| 925-686 | Pacific Bell | Landline |
| 925-687 | Pacific Bell | Landline |
| 925-688 | Pacific Bell | Landline |
| 925-689 | Pacific Bell | Landline |
| 925-690 | Verizon Business (MCImetro) | Landline |
| 925-691 | Pacific Bell | Landline |
| 925-692 | Pacific Bell | Landline |
| 925-693 | AT&T (Teleport Communications) | Landline |
| 925-694 | Verizon Business (MCImetro) | Landline |
| 925-695 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-698 | AT&T Mobility | Wireless |
| 925-699 | AT&T Mobility | Wireless |
| 925-701 | TPx Communications | Landline |
| 925-705 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-706 | Pacific Bell | Landline |
| 925-708 | Verizon Wireless | Wireless |
| 925-709 | Pacific Bell | Landline |
| 925-718 | Onvoy (Sinch) | VoIP |
| 925-719 | Verizon Wireless | Wireless |
| 925-722 | FracTEL | Landline |
| 925-723 | TPx Communications | Landline |
| 925-724 | TPx Communications | Landline |
| 925-725 | TPx Communications | Landline |
| 925-726 | TPx Communications | Landline |
| 925-727 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-730 | Pacific Bell | Landline |
| 925-732 | Onvoy (Sinch) | VoIP |
| 925-733 | FracTEL | Landline |
| 925-734 | Pacific Bell | Landline |
| 925-735 | Pacific Bell | Landline |
| 925-736 | Pacific Bell | Landline |
| 925-737 | Pacific Bell | Landline |
| 925-738 | Verizon Business (MCImetro) | Landline |
| 925-743 | Pacific Bell | Landline |
| 925-744 | FracTEL | Landline |
| 925-746 | Pacific Bell | Landline |
| 925-750 | Verizon Business (MCImetro) | Landline |
| 925-752 | Verizon Business (MCImetro) | Landline |
| 925-753 | Pacific Bell | Landline |
| 925-754 | Pacific Bell | Landline |
| 925-755 | Pacific Bell | Landline |
| 925-756 | Pacific Bell | Landline |
| 925-757 | Pacific Bell | Landline |
| 925-758 | FracTEL | Landline |
| 925-759 | AT&T Mobility | Wireless |
| 925-762 | Pacific Bell | Landline |
| 925-765 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-766 | T-Mobile | Wireless |
| 925-768 | Verizon Wireless | Wireless |
| 925-771 | TPx Communications | Landline |
| 925-775 | Matrix Telecom | Landline |
| 925-776 | Pacific Bell | Landline |
| 925-777 | Pacific Bell | Landline |
| 925-778 | Pacific Bell | Landline |
| 925-779 | Pacific Bell | Landline |
| 925-783 | Verizon Wireless | Wireless |
| 925-784 | Verizon Wireless | Wireless |
| 925-785 | Verizon Wireless | Wireless |
| 925-786 | Verizon Wireless | Wireless |
| 925-787 | Verizon Wireless | Wireless |
| 925-788 | Verizon Wireless | Wireless |
| 925-789 | Verizon Wireless | Wireless |
| 925-790 | Pacific Bell | Landline |
| 925-791 | TPx Communications | Landline |
| 925-794 | Onvoy (Sinch) | VoIP |
| 925-798 | Pacific Bell | Landline |
| 925-799 | FracTEL | Landline |
| 925-800 | Onvoy (Sinch) | VoIP |
| 925-803 | Pacific Bell | Landline |
| 925-804 | AT&T (Teleport Communications) | Landline |
| 925-806 | Pacific Bell | Landline |
| 925-807 | Verizon Business (MCImetro) | Landline |
| 925-808 | Pacific Bell | Landline |
| 925-809 | TPx Communications | Landline |
| 925-812 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-813 | Verizon Wireless | Wireless |
| 925-815 | Pacific Bell | Landline |
| 925-817 | Pacific Bell | Landline |
| 925-818 | AT&T Mobility | Wireless |
| 925-819 | AT&T Mobility | Wireless |
| 925-820 | Pacific Bell | Landline |
| 925-822 | Verizon Business (MCImetro) | Landline |
| 925-823 | Pacific Bell | Landline |
| 925-824 | Pacific Bell | Landline |
| 925-825 | Pacific Bell | Landline |
| 925-826 | Verizon Business (MCImetro) | Landline |
| 925-827 | Pacific Bell | Landline |
| 925-828 | Pacific Bell | Landline |
| 925-829 | Pacific Bell | Landline |
| 925-830 | Pacific Bell | Landline |
| 925-831 | Pacific Bell | Landline |
| 925-832 | Ton80 Communications | Landline |
| 925-833 | Pacific Bell | Landline |
| 925-834 | Ton80 Communications | Landline |
| 925-835 | TPx Communications | Landline |
| 925-837 | Pacific Bell | Landline |
| 925-838 | Pacific Bell | Landline |
| 925-839 | TPx Communications | Landline |
| 925-842 | Pacific Bell | Landline |
| 925-843 | Lumen (Level 3) | VoIP |
| 925-844 | TPx Communications | Landline |
| 925-846 | Pacific Bell | Landline |
| 925-847 | Pacific Bell | Landline |
| 925-848 | Matrix Telecom | Landline |
| 925-849 | TPx Communications | Landline |
| 925-852 | Verizon Business (MCImetro) | Landline |
| 925-854 | Verizon Business (MCImetro) | Landline |
| 925-855 | Pacific Bell | Landline |
| 925-856 | Verizon Business (MCImetro) | Landline |
| 925-858 | AT&T Mobility | Wireless |
| 925-860 | Onvoy (Sinch) | VoIP |
| 925-862 | Pacific Bell | Landline |
| 925-864 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-866 | Pacific Bell | Landline |
| 925-867 | Pacific Bell | Landline |
| 925-871 | Onvoy (Sinch) | VoIP |
| 925-872 | Verizon Wireless | Wireless |
| 925-875 | Pacific Bell | Landline |
| 925-876 | AT&T Mobility | Wireless |
| 925-877 | FracTEL | Landline |
| 925-878 | T-Mobile | Wireless |
| 925-880 | FracTEL | Landline |
| 925-884 | Matrix Telecom | Landline |
| 925-885 | Matrix Telecom | Landline |
| 925-886 | Matrix Telecom | Landline |
| 925-887 | Matrix Telecom | Landline |
| 925-888 | Matrix Telecom | Landline |
| 925-889 | Matrix Telecom | Landline |
| 925-890 | AT&T Mobility | Wireless |
| 925-891 | Matrix Telecom | Landline |
| 925-892 | Matrix Telecom | Landline |
| 925-895 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-897 | T-Mobile | Wireless |
| 925-899 | AT&T Mobility | Wireless |
| 925-900 | Onvoy (Sinch) | VoIP |
| 925-901 | Pacific Bell | Landline |
| 925-904 | Pacific Bell | Landline |
| 925-905 | Matrix Telecom | Landline |
| 925-906 | Pacific Bell | Landline |
| 925-913 | T-Mobile | Wireless |
| 925-914 | T-Mobile | Wireless |
| 925-915 | T-Mobile | Wireless |
| 925-917 | T-Mobile | Wireless |
| 925-918 | Verizon Wireless | Wireless |
| 925-920 | Spok (paging) | Landline |
| 925-922 | T-Mobile | Wireless |
| 925-924 | Pacific Bell | Landline |
| 925-925 | Onvoy (Sinch) | VoIP |
| 925-926 | Pacific Bell | Landline |
| 925-927 | Pacific Bell | Landline |
| 925-930 | Pacific Bell | Landline |
| 925-931 | Pacific Bell | Landline |
| 925-932 | Pacific Bell | Landline |
| 925-933 | Pacific Bell | Landline |
| 925-934 | Pacific Bell | Landline |
| 925-935 | Pacific Bell | Landline |
| 925-937 | Pacific Bell | Landline |
| 925-938 | Pacific Bell | Landline |
| 925-939 | Pacific Bell | Landline |
| 925-940 | Onvoy (Sinch) | VoIP |
| 925-941 | Pacific Bell | Landline |
| 925-942 | Pacific Bell | Landline |
| 925-943 | Pacific Bell | Landline |
| 925-944 | Pacific Bell | Landline |
| 925-945 | Pacific Bell | Landline |
| 925-946 | Pacific Bell | Landline |
| 925-947 | Pacific Bell | Landline |
| 925-948 | Verizon Business (MCImetro) | Landline |
| 925-949 | AT&T (Teleport Communications) | Landline |
| 925-951 | Verizon Business (MCImetro) | Landline |
| 925-952 | Pacific Bell | Landline |
| 925-953 | Lumen (Level 3) | VoIP |
| 925-954 | TPx Communications | Landline |
| 925-955 | Utility Telecom Group | Landline |
| 925-956 | Verizon Business (MCImetro) | Landline |
| 925-957 | Pacific Bell | Landline |
| 925-960 | Pacific Bell | Landline |
| 925-961 | Pacific Bell | Landline |
| 925-962 | Pacific Bell | Landline |
| 925-963 | AT&T Mobility | Wireless |
| 925-964 | Pacific Bell | Landline |
| 925-965 | AT&T (Teleport Communications) | Landline |
| 925-966 | FracTEL | Landline |
| 925-967 | Pacific Bell | Landline |
| 925-968 | Pacific Bell | Landline |
| 925-969 | Pacific Bell | Landline |
| 925-973 | Pacific Bell | Landline |
| 925-974 | Pacific Bell | Landline |
| 925-975 | Pacific Bell | Landline |
| 925-977 | Pacific Bell | Landline |
| 925-978 | Pacific Bell | Landline |
| 925-979 | Pacific Bell | Landline |
| 925-980 | AT&T Mobility | Wireless |
| 925-983 | Verizon Business (MCImetro) | Landline |
| 925-984 | Metro by T-Mobile (MetroPCS) | Wireless |
| 925-988 | Pacific Bell | Landline |
| 925-989 | Verizon Wireless | Wireless |
| 925-990 | Utility Telecom Group | Landline |
| 925-993 | Hd Carrier | Landline |
| 925-995 | Onvoy Spectrum (Sinch) | VoIP |
| 925-997 | AT&T Mobility | Wireless |
| 925-998 | AT&T Mobility | Wireless |
| 925-999 | Verizon Wireless | Wireless |
Line type reflects the registry assignment; ported numbers can differ. Unknown 925 number calling? ActiveArmor® screens it before you ever look it up.
Cities & Communities in and around Area Code 925
Communities the 925 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 |
|---|---|---|
| Alamo | 94507, 94596, 94528 | Fiber up to 5 GIG |
| Albany | 94706, 94710, 94804 | Fiber up to 5 GIG |
| Antioch | 94509, 94531, 94561 | Fiber up to 5 GIG |
| Bay Point | 94565, 94519, 94520 | Fiber up to 5 GIG |
| Benicia | 94569, 94510, 94525 | Fiber up to 5 GIG |
| Berkeley | 94710, 94702, 94703 | Fiber up to 5 GIG |
| Bethel Island | 94511, 94548, 94561 | Internet Air |
| Blackhawk | 94506, 94588, 94582 | Fiber up to 5 GIG |
| Brentwood | 94513, 94531, 94561 | Fiber up to 5 GIG |
| Byron | 94505, 94514, 94513 | Fiber up to 5 GIG |
| Castro Valley | 94541, 94552, 94546 | Fiber up to 5 GIG |
| Clayton | 94521, 94517, 94565 | Internet Air |
| Concord | 94519, 94518, 94521 | Fiber up to 5 GIG |
| Danville | 94526, 94528, 94583 | Fiber up to 5 GIG |
| Diablo | 94528, 94526, 94507 | Check address |
| Discovery Bay | 94505, 94513, 94548 | Fiber up to 5 GIG |
| Dublin | 94568, 94582, 94566 | Fiber up to 5 GIG |
| Fremont | 94538, 94539, 95134 | Fiber up to 5 GIG |
| Hayward | 94545, 94544, 94587 | Fiber up to 5 GIG |
| Lafayette | 94549, 94595, 94597 | Fiber up to 5 GIG |
| Livermore | 94551, 94566, 94568 | Fiber up to 5 GIG |
| Martinez | 94553, 94523, 94520 | Fiber up to 5 GIG |
| Moraga | 94575, 94556, 94516 | Internet Air |
| Oakland | 94601, 94621, 94606 | Fiber up to 5 GIG |
| Oakley | 94561, 94548, 94511 | Fiber up to 5 GIG |
| Orinda | 94563, 94549, 94516 | Fiber up to 5 GIG |
| Pacheco | 94520, 94523, 94519 | Fiber up to 5 GIG |
| Pittsburg | 94565, 94509, 94521 | Fiber up to 5 GIG |
| Pleasant Hill | 94523, 94597, 94518 | Fiber up to 5 GIG |
| Pleasanton | 94566, 94568, 94582 | Fiber up to 5 GIG |
| San Leandro | 94577, 94579, 94578 | Fiber up to 5 GIG |
| San Ramon | 94582, 94583, 94506 | Fiber up to 5 GIG |
| Sunol | 94586, 94566, 94539 | Internet Air |
| Union City | 94544, 94536, 94587 | Fiber up to 5 GIG |
| Walnut Creek | 94596, 94598, 94597 | Fiber up to 5 GIG |
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.
925 Area Code Map
Area code 925 serves Concord and nearby communities in CA.
↓ Printable PDF
Open the printable 925 map (PDF) · All California area codes · Home internet in Concord
Counties Covered by the 925 Area Code
Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023.
The 925, explained
Area Code 925: More Than a Number in Concord
In Concord, the 925 is more than digits on a caller ID. It arrived in 1998, carved out of the 510, and it has meant Concord and surrounding communities ever since — 635 carrier prefixes keep its lines busy today, and an established 925 number still says you’ve been here a while.
The map tells its own story: Concord and surrounding communities, with no overlay on its territory. The area and the code are still one and the same — rare in California and getting rarer nationwide.
Keeping a 925 matters here. An existing 925 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S.
Need a new local number? Shop plans Keep your 925: bring it to AT&TInternet, wireless & stores in the 925
AT&T Home Internet in Area Code 925
AT&T home internet serves communities across area code 925, 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 925? AT&T Business Internet is available at many addresses.
Fiber install day in the 925Check your address ›
Moving to Area Code 925?
Set up home internet in area code 925 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 925 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 925
AT&T’s 5G network covers most of area code 925. ActiveArmor® spam blocking is included with every unlimited plan, your 925 number stays yours, and great cell phone deals in Concord are a tap away.
5G across the 925ActiveArmor® includedKeep your 925 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 925 number? Ask when you activate a line, and porting an existing 925 number keeps it yours.
Stay connected across ConcordShop wireless plans ›
AT&T Stores in Area Code 925
Looking for cell phone stores in area code 925? These stores answer on 925 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 ConcordFind your store ›
All AT&T Stores with 925 Numbers
Every store below answers on a 925 number. Tap any number to call.
17 AT&T stores with 925 numbers
International Calling from Area Code 925
Calling abroad from area code 925? 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 925 calls most:MexicoPhilippinesChinaIndiaVietnam
Top places of birth among foreign-born residents of the 925’s counties, U.S. Census Bureau ACS 2023.
Calling abroad from a 925 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.
Concord calls the worldSee international plans ›
925 Area Code Quick Facts & Dialing
StateCalifornia
Time zonePacific
OverlaysNonethe 925 stands alone
Established1998split from the 510
Dialing10 digitsrequired since the 988 transition
Toll-free?Nogeographic code
Population3.3Mcounties served, Census 2023
Largest cityConcord+34 more ›
How to dial a 925 number
| Scenario | Format | Example |
|---|---|---|
| Local call (within the region) | 925 + 7-digit number | (925) 555-0100 |
| Long distance (within the U.S.) | 1 + 925 + 7-digit number | 1 (925) 555-0100 |
| Calling 925 from another country | +1 925 + 7-digit number | +1 925 555 0100 |
| From a mobile phone | (925) + 7-digit number | (925) 555-0100 |
A Short History of Area Code 925
Created in 1998 as a split from the 510, the 925 has meant Concord and surrounding communities ever since. No splits or overlays have divided its territory since.
1998Split from the 510
In service since 1998, with no overlay on its territory today.
Nearby & Related Area Codes
Browse area codes by state: California (41) · Texas (29) · Florida (23) · all 50 states ›
Area Code 925 FAQ
What area code is 925?
925 is the area code for Concord, California and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 925?
Area code 925 serves Concord, California and nearby communities including Alamo, Albany, Antioch. The full city list is in the cities table above.
Why did I get a text message from a 925 number?
The most common 925 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 925?
A 925 number usually means Concord 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 925?
Pacific time. The live local time is shown at the top of this page.
Why am I getting calls from 925 numbers?
925 is an active, legitimate California 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 925 prefixes are drawing complaints right now.
Is 925 a toll-free number?
No. 925 is a geographic area code tied to Concord, California. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
When was area code 925 created?
Area code 925 entered service in 1998 and still covers Concord and the surrounding California communities today. The full timeline is in the history section above.
Which cities use area code 925?
The largest communities include Alamo, Albany, Antioch, Bay Point, Benicia. The full list is in the cities table above.
Does AT&T offer service in the 925?
Yes: home internet, wireless and retail stores across the 925. Availability is checked address by address.
Can I still get a 925 number?
Yes. Carriers in Concord and across the 925 still issue 925 numbers on new lines, and you can port an existing 925 number to any carrier.
Can I keep my 925 number if I move?
Yes. Phone numbers are portable: your 925 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.
