Who Called Me from Area Code 310?
Quick answerA 310 call usually comes from Torrance 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 310 prefixes, right on this page.
- Curious who issued a number? Every 310 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 310 prefixes this month
PrefixReported patternReport volume
(310) 731-XXXXRobocall-heavy
(310) 758-XXXXRobocall-heavy
(310) 935-XXXXRobocall-heavy
(310) 304-XXXXRobocall-heavy
(310) 997-XXXXRobocall-heavy
220 unwanted-call reports naming 310 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.
Block spam calls in the 310, 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 310 a Scam?
No. 310 is a legitimate Torrance area code.
It’s added to the 213 region in 1991 and serves Torrance and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.
The code is realAdded to the 213 region in 1991; 786 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 310 numbers
The most common area code 310 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 310
Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 310 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 310 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 310 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.
310 Area Code Prefix & Carrier Lookup
The three digits after the area code identify the carrier a number was issued to. All 786 assigned 310 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 310 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.
786 prefixes · updated monthly
| Prefix | Carrier | Line type |
|---|---|---|
| 310-200 | AT&T Mobility | Wireless |
| 310-201 | Pacific Bell | Landline |
| 310-202 | Pacific Bell | Landline |
| 310-203 | Pacific Bell | Landline |
| 310-204 | Pacific Bell | Landline |
| 310-205 | Pacific Bell | Landline |
| 310-206 | Frontier Communications | Landline |
| 310-207 | Frontier Communications | Landline |
| 310-208 | Frontier Communications | Landline |
| 310-209 | Frontier Communications | Landline |
| 310-210 | AT&T Mobility | Wireless |
| 310-212 | Pacific Bell | Landline |
| 310-213 | T-Mobile | Wireless |
| 310-214 | Frontier Communications | Landline |
| 310-215 | Pacific Bell | Landline |
| 310-216 | Pacific Bell | Landline |
| 310-217 | Pacific Bell | Landline |
| 310-218 | Verizon Business (MCImetro) | Landline |
| 310-219 | Pacific Bell | Landline |
| 310-220 | Verizon Business (MCImetro) | Landline |
| 310-221 | Pacific Bell | Landline |
| 310-222 | Pacific Bell | Landline |
| 310-223 | Pacific Bell | Landline |
| 310-224 | Pacific Bell | Landline |
| 310-225 | Pacific Bell | Landline |
| 310-226 | Pacific Bell | Landline |
| 310-227 | T-Mobile | Wireless |
| 310-228 | AT&T (Teleport Communications) | Landline |
| 310-229 | Pacific Bell | Landline |
| 310-230 | Frontier Communications | Landline |
| 310-231 | Frontier Communications | Landline |
| 310-232 | Spok (paging) | Landline |
| 310-233 | Pacific Bell | Landline |
| 310-234 | Frontier Communications | Landline |
| 310-235 | Frontier Communications | Landline |
| 310-236 | Spok (paging) | Landline |
| 310-237 | AT&T (Teleport Communications) | Landline |
| 310-238 | Spok (paging) | Landline |
| 310-239 | Spok (paging) | Landline |
| 310-240 | Spok (paging) | Landline |
| 310-241 | Pacific Bell | Landline |
| 310-242 | AT&T (Teleport Communications) | Landline |
| 310-243 | Pacific Bell | Landline |
| 310-244 | Pacific Bell | Landline |
| 310-245 | AT&T Mobility | Wireless |
| 310-246 | Pacific Bell | Landline |
| 310-247 | Pacific Bell | Landline |
| 310-248 | Pacific Bell | Landline |
| 310-249 | Spok (paging) | Landline |
| 310-250 | Spok (paging) | Landline |
| 310-251 | AT&T Mobility | Wireless |
| 310-252 | Pacific Bell | Landline |
| 310-253 | Pacific Bell | Landline |
| 310-254 | Verizon Business (MCImetro) | Landline |
| 310-255 | Pacific Bell | Landline |
| 310-256 | Verizon Wireless | Wireless |
| 310-257 | Pacific Bell | Landline |
| 310-258 | Pacific Bell | Landline |
| 310-259 | AT&T Mobility | Wireless |
| 310-260 | Frontier Communications | Landline |
| 310-261 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-262 | Spok (paging) | Landline |
| 310-263 | Pacific Bell | Landline |
| 310-264 | Frontier Communications | Landline |
| 310-265 | Frontier Communications | Landline |
| 310-266 | AT&T Mobility | Wireless |
| 310-267 | Frontier Communications | Landline |
| 310-268 | Frontier Communications | Landline |
| 310-269 | Utility Telecom Group | Landline |
| 310-270 | Pacific Bell | Landline |
| 310-271 | Pacific Bell | Landline |
| 310-272 | T-Mobile | Wireless |
| 310-273 | Pacific Bell | Landline |
| 310-274 | Pacific Bell | Landline |
| 310-275 | Pacific Bell | Landline |
| 310-276 | Pacific Bell | Landline |
| 310-277 | Pacific Bell | Landline |
| 310-278 | Pacific Bell | Landline |
| 310-279 | Pacific Bell | Landline |
| 310-280 | Pacific Bell | Landline |
| 310-281 | Pacific Bell | Landline |
| 310-282 | Pacific Bell | Landline |
| 310-283 | AT&T Mobility | Wireless |
| 310-284 | Pacific Bell | Landline |
| 310-285 | Pacific Bell | Landline |
| 310-286 | Pacific Bell | Landline |
| 310-287 | Pacific Bell | Landline |
| 310-288 | Pacific Bell | Landline |
| 310-289 | Pacific Bell | Landline |
| 310-290 | T-Mobile | Wireless |
| 310-291 | AT&T Mobility | Wireless |
| 310-292 | AT&T Mobility | Wireless |
| 310-293 | AT&T Mobility | Wireless |
| 310-294 | Lumen (Level 3) | VoIP |
| 310-295 | Lumen (Level 3) | VoIP |
| 310-296 | American Messaging (paging) | Landline |
| 310-297 | Pacific Bell | Landline |
| 310-298 | Spok (paging) | Landline |
| 310-299 | Lumen (Level 3) | VoIP |
| 310-300 | Verizon Business (MCImetro) | Landline |
| 310-301 | Frontier Communications | Landline |
| 310-302 | Frontier Communications | Landline |
| 310-303 | Pacific Bell | Landline |
| 310-304 | Onvoy (Sinch) | VoIP |
| 310-305 | Frontier Communications | Landline |
| 310-306 | Frontier Communications | Landline |
| 310-307 | T-Mobile | Wireless |
| 310-308 | AT&T Mobility | Wireless |
| 310-309 | AT&T (Teleport Communications) | Landline |
| 310-310 | T-Mobile | Wireless |
| 310-312 | Frontier Communications | Landline |
| 310-313 | Frontier Communications | Landline |
| 310-314 | Frontier Communications | Landline |
| 310-315 | Frontier Communications | Landline |
| 310-316 | Frontier Communications | Landline |
| 310-317 | Frontier Communications | Landline |
| 310-318 | Frontier Communications | Landline |
| 310-319 | Frontier Communications | Landline |
| 310-320 | Pacific Bell | Landline |
| 310-321 | TPx Communications | Landline |
| 310-322 | Pacific Bell | Landline |
| 310-323 | Pacific Bell | Landline |
| 310-324 | Pacific Bell | Landline |
| 310-325 | Pacific Bell | Landline |
| 310-326 | Pacific Bell | Landline |
| 310-327 | Pacific Bell | Landline |
| 310-328 | Pacific Bell | Landline |
| 310-329 | Pacific Bell | Landline |
| 310-330 | Pacific Bell | Landline |
| 310-331 | Pacific Bell | Landline |
| 310-332 | Pacific Bell | Landline |
| 310-333 | Pacific Bell | Landline |
| 310-334 | Pacific Bell | Landline |
| 310-335 | Pacific Bell | Landline |
| 310-336 | Pacific Bell | Landline |
| 310-337 | Pacific Bell | Landline |
| 310-338 | Pacific Bell | Landline |
| 310-339 | Verizon Wireless | Wireless |
| 310-340 | AT&T Mobility | Wireless |
| 310-341 | AT&T (Teleport Communications) | Landline |
| 310-342 | Pacific Bell | Landline |
| 310-343 | AT&T (Teleport Communications) | Landline |
| 310-344 | AT&T Mobility | Wireless |
| 310-345 | T-Mobile | Wireless |
| 310-346 | T-Mobile | Wireless |
| 310-347 | AT&T Mobility | Wireless |
| 310-348 | Pacific Bell | Landline |
| 310-349 | Pacific Bell | Landline |
| 310-350 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-351 | Verizon Wireless | Wireless |
| 310-352 | Pacific Bell | Landline |
| 310-353 | Pacific Bell | Landline |
| 310-354 | Pacific Bell | Landline |
| 310-355 | Pacific Bell | Landline |
| 310-356 | Lumen (Level 3) | VoIP |
| 310-357 | AT&T (Teleport Communications) | Landline |
| 310-358 | Pacific Bell | Landline |
| 310-359 | T-Mobile | Wireless |
| 310-360 | Pacific Bell | Landline |
| 310-361 | Onvoy (Sinch) | VoIP |
| 310-362 | Onvoy (Sinch) | VoIP |
| 310-363 | Pacific Bell | Landline |
| 310-364 | Pacific Bell | Landline |
| 310-365 | Verizon Wireless | Wireless |
| 310-366 | Pacific Bell | Landline |
| 310-367 | Verizon Wireless | Wireless |
| 310-368 | Spok (paging) | Landline |
| 310-369 | AT&T (Teleport Communications) | Landline |
| 310-370 | Frontier Communications | Landline |
| 310-371 | Frontier Communications | Landline |
| 310-372 | Frontier Communications | Landline |
| 310-373 | Frontier Communications | Landline |
| 310-374 | Frontier Communications | Landline |
| 310-375 | Frontier Communications | Landline |
| 310-376 | Frontier Communications | Landline |
| 310-377 | Frontier Communications | Landline |
| 310-378 | Frontier Communications | Landline |
| 310-379 | Frontier Communications | Landline |
| 310-380 | Pacific Bell | Landline |
| 310-381 | Pacific Bell | Landline |
| 310-382 | Lumen (Level 3) | VoIP |
| 310-383 | AT&T Mobility | Wireless |
| 310-384 | AT&T Mobility | Wireless |
| 310-385 | Pacific Bell | Landline |
| 310-386 | Verizon Wireless | Wireless |
| 310-387 | Verizon Wireless | Wireless |
| 310-388 | Onvoy (Sinch) | VoIP |
| 310-389 | American Messaging (paging) | Landline |
| 310-390 | Frontier Communications | Landline |
| 310-391 | Frontier Communications | Landline |
| 310-392 | Frontier Communications | Landline |
| 310-393 | Frontier Communications | Landline |
| 310-394 | Frontier Communications | Landline |
| 310-395 | Frontier Communications | Landline |
| 310-396 | Frontier Communications | Landline |
| 310-397 | Frontier Communications | Landline |
| 310-398 | Frontier Communications | Landline |
| 310-399 | Frontier Communications | Landline |
| 310-400 | T-Mobile | Wireless |
| 310-401 | Lumen (Level 3) | VoIP |
| 310-402 | Lumen (Level 3) | VoIP |
| 310-403 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-404 | T-Mobile | Wireless |
| 310-405 | Verizon Wireless | Wireless |
| 310-406 | Frontier Communications | Landline |
| 310-407 | Pacific Bell | Landline |
| 310-408 | AT&T Mobility | Wireless |
| 310-409 | Ip Horizon | Landline |
| 310-410 | Pacific Bell | Landline |
| 310-412 | Pacific Bell | Landline |
| 310-413 | Verizon Wireless | Wireless |
| 310-414 | Pacific Bell | Landline |
| 310-415 | Verizon Wireless | Wireless |
| 310-416 | Pacific Bell | Landline |
| 310-417 | Pacific Bell | Landline |
| 310-418 | AT&T Mobility | Wireless |
| 310-419 | Pacific Bell | Landline |
| 310-420 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-421 | T-Mobile | Wireless |
| 310-422 | Verizon Wireless | Wireless |
| 310-423 | Pacific Bell | Landline |
| 310-424 | Windstream (Paetec) | Landline |
| 310-425 | Verizon Business (MCImetro) | Landline |
| 310-426 | Pacific Bell | Landline |
| 310-427 | Verizon Wireless | Wireless |
| 310-428 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-429 | Verizon Wireless | Wireless |
| 310-430 | T-Mobile | Wireless |
| 310-431 | AT&T Mobility | Wireless |
| 310-432 | TPx Communications | Landline |
| 310-433 | Verizon Wireless | Wireless |
| 310-434 | Frontier Communications | Landline |
| 310-435 | AT&T Mobility | Wireless |
| 310-436 | TPx Communications | Landline |
| 310-437 | Verizon Business (MCImetro) | Landline |
| 310-438 | T-Mobile | Wireless |
| 310-439 | Frontier Communications | Landline |
| 310-440 | Frontier Communications | Landline |
| 310-441 | Frontier Communications | Landline |
| 310-442 | Frontier Communications | Landline |
| 310-443 | Frontier Communications | Landline |
| 310-444 | Frontier Communications | Landline |
| 310-445 | Frontier Communications | Landline |
| 310-446 | Frontier Communications | Landline |
| 310-447 | Frontier Communications | Landline |
| 310-448 | Frontier Communications | Landline |
| 310-449 | Frontier Communications | Landline |
| 310-450 | Frontier Communications | Landline |
| 310-451 | Frontier Communications | Landline |
| 310-452 | Frontier Communications | Landline |
| 310-453 | Frontier Communications | Landline |
| 310-454 | Frontier Communications | Landline |
| 310-455 | Frontier Communications | Landline |
| 310-456 | Frontier Communications | Landline |
| 310-457 | Frontier Communications | Landline |
| 310-458 | Frontier Communications | Landline |
| 310-459 | Frontier Communications | Landline |
| 310-460 | Verizon Business (MCImetro) | Landline |
| 310-461 | TPx Communications | Landline |
| 310-462 | T-Mobile | Wireless |
| 310-463 | AT&T Mobility | Wireless |
| 310-464 | Lumen (Level 3) | VoIP |
| 310-465 | Frontier Communications | Landline |
| 310-466 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-467 | AT&T Mobility | Wireless |
| 310-468 | Pacific Bell | Landline |
| 310-469 | Lumen (Level 3) | VoIP |
| 310-470 | Frontier Communications | Landline |
| 310-471 | Frontier Communications | Landline |
| 310-472 | Frontier Communications | Landline |
| 310-473 | Frontier Communications | Landline |
| 310-474 | Frontier Communications | Landline |
| 310-475 | Frontier Communications | Landline |
| 310-476 | Frontier Communications | Landline |
| 310-477 | Frontier Communications | Landline |
| 310-478 | Frontier Communications | Landline |
| 310-479 | Frontier Communications | Landline |
| 310-480 | AT&T Mobility | Wireless |
| 310-481 | Pacific Bell | Landline |
| 310-482 | Pacific Bell | Landline |
| 310-483 | Lumen (Level 3) | VoIP |
| 310-484 | TPx Communications | Landline |
| 310-485 | 33 Wireless | Wireless |
| 310-486 | Verizon Wireless | Wireless |
| 310-487 | Verizon Wireless | Wireless |
| 310-488 | Verizon Wireless | Wireless |
| 310-489 | AT&T Mobility | Wireless |
| 310-490 | Verizon Wireless | Wireless |
| 310-491 | Lumen (Level 3) | VoIP |
| 310-492 | Verizon Business (MCImetro) | Landline |
| 310-493 | T-Mobile | Wireless |
| 310-494 | Lumen (Level 3) | VoIP |
| 310-495 | 33 Wireless | Wireless |
| 310-496 | Onvoy (Sinch) | VoIP |
| 310-497 | T-Mobile | Wireless |
| 310-498 | AT&T Mobility | Wireless |
| 310-499 | Lumen (Level 3) | VoIP |
| 310-500 | Lumen (Level 3) | VoIP |
| 310-501 | Spok (paging) | Landline |
| 310-502 | Verizon Wireless | Wireless |
| 310-503 | AT&T Mobility | Wireless |
| 310-504 | Peerless Network | VoIP |
| 310-505 | T-Mobile | Wireless |
| 310-506 | TPx Communications | Landline |
| 310-507 | Verizon Business (MCImetro) | Landline |
| 310-508 | Verizon Wireless | Wireless |
| 310-509 | Spok (paging) | Landline |
| 310-510 | Pacific Bell | Landline |
| 310-512 | Pacific Bell | Landline |
| 310-513 | Pacific Bell | Landline |
| 310-514 | Pacific Bell | Landline |
| 310-515 | Pacific Bell | Landline |
| 310-516 | Pacific Bell | Landline |
| 310-517 | Pacific Bell | Landline |
| 310-518 | Pacific Bell | Landline |
| 310-519 | Pacific Bell | Landline |
| 310-521 | Pacific Bell | Landline |
| 310-522 | Pacific Bell | Landline |
| 310-523 | Pacific Bell | Landline |
| 310-524 | Pacific Bell | Landline |
| 310-525 | AT&T (Teleport Communications) | Landline |
| 310-526 | Verizon Business (MCImetro) | Landline |
| 310-527 | Pacific Bell | Landline |
| 310-528 | AT&T Mobility | Wireless |
| 310-529 | AT&T Mobility | Wireless |
| 310-530 | Pacific Bell | Landline |
| 310-531 | AT&T (Teleport Communications) | Landline |
| 310-532 | Pacific Bell | Landline |
| 310-533 | Pacific Bell | Landline |
| 310-534 | Pacific Bell | Landline |
| 310-535 | Pacific Bell | Landline |
| 310-536 | Pacific Bell | Landline |
| 310-537 | Pacific Bell | Landline |
| 310-538 | Pacific Bell | Landline |
| 310-539 | Pacific Bell | Landline |
| 310-540 | Frontier Communications | Landline |
| 310-541 | Frontier Communications | Landline |
| 310-542 | Frontier Communications | Landline |
| 310-543 | Frontier Communications | Landline |
| 310-544 | Frontier Communications | Landline |
| 310-545 | Frontier Communications | Landline |
| 310-546 | Frontier Communications | Landline |
| 310-547 | Pacific Bell | Landline |
| 310-548 | Pacific Bell | Landline |
| 310-549 | Pacific Bell | Landline |
| 310-550 | Pacific Bell | Landline |
| 310-551 | Pacific Bell | Landline |
| 310-552 | Pacific Bell | Landline |
| 310-553 | Pacific Bell | Landline |
| 310-554 | T-Mobile | Wireless |
| 310-556 | Pacific Bell | Landline |
| 310-557 | Pacific Bell | Landline |
| 310-558 | Pacific Bell | Landline |
| 310-559 | Pacific Bell | Landline |
| 310-560 | Verizon Wireless | Wireless |
| 310-561 | T-Mobile | Wireless |
| 310-562 | AT&T Mobility | Wireless |
| 310-563 | Pacific Bell | Landline |
| 310-564 | Onvoy (Sinch) | VoIP |
| 310-565 | AT&T (Teleport Communications) | Landline |
| 310-566 | TPx Communications | Landline |
| 310-567 | AT&T Mobility | Wireless |
| 310-568 | Pacific Bell | Landline |
| 310-569 | Verizon Wireless | Wireless |
| 310-570 | Frontier Communications | Landline |
| 310-571 | Frontier Communications | Landline |
| 310-572 | Frontier Communications | Landline |
| 310-573 | Frontier Communications | Landline |
| 310-574 | Frontier Communications | Landline |
| 310-575 | Frontier Communications | Landline |
| 310-576 | Frontier Communications | Landline |
| 310-577 | Frontier Communications | Landline |
| 310-578 | Frontier Communications | Landline |
| 310-579 | Verizon Business (MCImetro) | Landline |
| 310-580 | Utility Telecom Group | Landline |
| 310-581 | Frontier Communications | Landline |
| 310-582 | Frontier Communications | Landline |
| 310-583 | 33 Wireless | Wireless |
| 310-584 | Frontier Communications | Landline |
| 310-585 | Spok (paging) | Landline |
| 310-586 | Frontier Communications | Landline |
| 310-587 | Frontier Communications | Landline |
| 310-588 | Spok (paging) | Landline |
| 310-589 | Frontier Communications | Landline |
| 310-590 | T-Mobile | Wireless |
| 310-591 | Lumen (Level 3) | VoIP |
| 310-592 | AT&T Mobility | Wireless |
| 310-593 | Verizon Business (MCImetro) | Landline |
| 310-594 | T-Mobile | Wireless |
| 310-595 | Verizon Business (MCImetro) | Landline |
| 310-596 | Verizon Wireless | Wireless |
| 310-597 | Lumen (Level 3) | VoIP |
| 310-598 | AT&T (Teleport Communications) | Landline |
| 310-599 | 33 Wireless | Wireless |
| 310-600 | AT&T Mobility | Wireless |
| 310-601 | Pacific Bell | Landline |
| 310-602 | Verizon Business (MCImetro) | Landline |
| 310-603 | Pacific Bell | Landline |
| 310-604 | Pacific Bell | Landline |
| 310-605 | Pacific Bell | Landline |
| 310-606 | Pacific Bell | Landline |
| 310-607 | Pacific Bell | Landline |
| 310-608 | Pacific Bell | Landline |
| 310-609 | Pacific Bell | Landline |
| 310-610 | American Messaging (paging) | Landline |
| 310-612 | Verizon Wireless | Wireless |
| 310-613 | Verizon Wireless | Wireless |
| 310-614 | AT&T Mobility | Wireless |
| 310-615 | Pacific Bell | Landline |
| 310-616 | Pacific Bell | Landline |
| 310-617 | Verizon Wireless | Wireless |
| 310-618 | Pacific Bell | Landline |
| 310-619 | T-Mobile | Wireless |
| 310-620 | Integrated Path Communications | Landline |
| 310-621 | T-Mobile | Wireless |
| 310-622 | Lumen (Level 3) | VoIP |
| 310-623 | TPx Communications | Landline |
| 310-624 | American Messaging (paging) | Landline |
| 310-625 | Verizon Wireless | Wireless |
| 310-626 | Lumen (Level 3) | VoIP |
| 310-627 | Peerless Network | VoIP |
| 310-628 | T-Mobile | Wireless |
| 310-629 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-630 | Pacific Bell | Landline |
| 310-631 | Pacific Bell | Landline |
| 310-632 | Pacific Bell | Landline |
| 310-633 | AT&T (Teleport Communications) | Landline |
| 310-634 | T-Mobile | Wireless |
| 310-635 | Pacific Bell | Landline |
| 310-636 | Frontier Communications | Landline |
| 310-637 | Pacific Bell | Landline |
| 310-638 | Pacific Bell | Landline |
| 310-639 | Pacific Bell | Landline |
| 310-640 | Pacific Bell | Landline |
| 310-641 | Pacific Bell | Landline |
| 310-642 | Pacific Bell | Landline |
| 310-643 | Pacific Bell | Landline |
| 310-644 | Pacific Bell | Landline |
| 310-645 | Pacific Bell | Landline |
| 310-646 | Pacific Bell | Landline |
| 310-647 | Pacific Bell | Landline |
| 310-648 | Pacific Bell | Landline |
| 310-649 | Pacific Bell | Landline |
| 310-650 | Verizon Wireless | Wireless |
| 310-651 | Lumen (Level 3) | VoIP |
| 310-652 | Pacific Bell | Landline |
| 310-653 | Pacific Bell | Landline |
| 310-654 | T-Mobile | Wireless |
| 310-655 | American Messaging (paging) | Landline |
| 310-656 | Frontier Communications | Landline |
| 310-657 | Pacific Bell | Landline |
| 310-658 | Lumen (Level 3) | VoIP |
| 310-659 | Pacific Bell | Landline |
| 310-660 | Pacific Bell | Landline |
| 310-661 | Pacific Bell | Landline |
| 310-662 | Pacific Bell | Landline |
| 310-663 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-664 | Frontier Communications | Landline |
| 310-665 | Pacific Bell | Landline |
| 310-666 | AT&T Mobility | Wireless |
| 310-667 | Lumen (Level 3) | VoIP |
| 310-668 | Pacific Bell | Landline |
| 310-669 | Pacific Bell | Landline |
| 310-670 | Pacific Bell | Landline |
| 310-671 | Pacific Bell | Landline |
| 310-672 | Pacific Bell | Landline |
| 310-673 | Pacific Bell | Landline |
| 310-674 | Pacific Bell | Landline |
| 310-675 | Pacific Bell | Landline |
| 310-676 | Pacific Bell | Landline |
| 310-677 | Pacific Bell | Landline |
| 310-678 | T-Mobile | Wireless |
| 310-679 | Pacific Bell | Landline |
| 310-680 | Pacific Bell | Landline |
| 310-681 | American Messaging (paging) | Landline |
| 310-682 | AT&T (Teleport Communications) | Landline |
| 310-683 | AT&T (Teleport Communications) | Landline |
| 310-684 | T-Mobile | Wireless |
| 310-685 | Spok (paging) | Landline |
| 310-686 | T-Mobile | Wireless |
| 310-687 | Pacific Bell | Landline |
| 310-688 | Utility Telecom Group | Landline |
| 310-689 | AT&T (Teleport Communications) | Landline |
| 310-690 | Shelcomm | Landline |
| 310-691 | Lumen (Level 3) | VoIP |
| 310-692 | Lumen (Level 3) | VoIP |
| 310-693 | Verizon Business (MCImetro) | Landline |
| 310-694 | AT&T Mobility | Wireless |
| 310-695 | Pacific Bell | Landline |
| 310-696 | TPx Communications | Landline |
| 310-697 | Verizon Business (MCImetro) | Landline |
| 310-698 | TPx Communications | Landline |
| 310-699 | AT&T Mobility | Wireless |
| 310-701 | Verizon Wireless | Wireless |
| 310-702 | Verizon Wireless | Wireless |
| 310-703 | T-Mobile | Wireless |
| 310-704 | T-Mobile | Wireless |
| 310-705 | Utility Telecom Group | Landline |
| 310-706 | TPx Communications | Landline |
| 310-707 | TPx Communications | Landline |
| 310-708 | Onvoy (Sinch) | VoIP |
| 310-709 | T-Mobile | Wireless |
| 310-710 | Verizon Wireless | Wireless |
| 310-712 | Pacific Bell | Landline |
| 310-713 | Verizon Wireless | Wireless |
| 310-714 | T-Mobile | Wireless |
| 310-715 | Pacific Bell | Landline |
| 310-716 | Spok (paging) | Landline |
| 310-717 | AT&T Mobility | Wireless |
| 310-718 | Spok (paging) | Landline |
| 310-719 | Pacific Bell | Landline |
| 310-720 | Verizon Wireless | Wireless |
| 310-721 | AT&T Mobility | Wireless |
| 310-722 | T-Mobile | Wireless |
| 310-723 | Spok (paging) | Landline |
| 310-724 | Pacific Bell | Landline |
| 310-725 | Pacific Bell | Landline |
| 310-726 | Pacific Bell | Landline |
| 310-727 | Pacific Bell | Landline |
| 310-728 | Verizon Business (MCImetro) | Landline |
| 310-729 | AT&T Mobility | Wireless |
| 310-730 | Bandwidth.com | VoIP |
| 310-731 | Onvoy (Sinch) | VoIP |
| 310-732 | Pacific Bell | Landline |
| 310-733 | Lumen (Level 3) | VoIP |
| 310-734 | Verizon Business (MCImetro) | Landline |
| 310-735 | Verizon Business (MCImetro) | Landline |
| 310-736 | Verizon Business (MCImetro) | Landline |
| 310-737 | Frontier Communications | Landline |
| 310-738 | Verizon Wireless | Wireless |
| 310-739 | AT&T Mobility | Wireless |
| 310-740 | Verizon Wireless | Wireless |
| 310-741 | Verizon Wireless | Wireless |
| 310-742 | Onvoy (Sinch) | VoIP |
| 310-743 | Verizon Business (MCImetro) | Landline |
| 310-744 | AT&T (Teleport Communications) | Landline |
| 310-745 | AT&T Mobility | Wireless |
| 310-746 | TPx Communications | Landline |
| 310-747 | TPx Communications | Landline |
| 310-748 | AT&T Mobility | Wireless |
| 310-749 | Verizon Wireless | Wireless |
| 310-750 | Verizon Business (MCImetro) | Landline |
| 310-751 | Verizon Business (MCImetro) | Landline |
| 310-752 | Verizon Business (MCImetro) | Landline |
| 310-753 | AT&T Mobility | Wireless |
| 310-754 | AT&T (Teleport Communications) | Landline |
| 310-755 | TPx Communications | Landline |
| 310-756 | Verizon Business (MCImetro) | Landline |
| 310-757 | T-Mobile | Wireless |
| 310-758 | Onvoy (Sinch) | VoIP |
| 310-759 | Onvoy (Sinch) | VoIP |
| 310-760 | Verizon Business (MCImetro) | Landline |
| 310-761 | Pacific Bell | Landline |
| 310-762 | Pacific Bell | Landline |
| 310-763 | Pacific Bell | Landline |
| 310-764 | Pacific Bell | Landline |
| 310-765 | Verizon Business (MCImetro) | Landline |
| 310-766 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-767 | Pacific Bell | Landline |
| 310-768 | Pacific Bell | Landline |
| 310-769 | Pacific Bell | Landline |
| 310-770 | T-Mobile | Wireless |
| 310-771 | Pacific Bell | Landline |
| 310-772 | Pacific Bell | Landline |
| 310-773 | Lumen (Level 3) | VoIP |
| 310-774 | T-Mobile | Wireless |
| 310-775 | Lumen (Level 3) | VoIP |
| 310-776 | Verizon Wireless | Wireless |
| 310-777 | Pacific Bell | Landline |
| 310-778 | Utility Telecom Group | Landline |
| 310-779 | AT&T Mobility | Wireless |
| 310-780 | Verizon Wireless | Wireless |
| 310-781 | Pacific Bell | Landline |
| 310-782 | Pacific Bell | Landline |
| 310-783 | Pacific Bell | Landline |
| 310-784 | Pacific Bell | Landline |
| 310-785 | Pacific Bell | Landline |
| 310-786 | Pacific Bell | Landline |
| 310-787 | Pacific Bell | Landline |
| 310-788 | Pacific Bell | Landline |
| 310-789 | Pacific Bell | Landline |
| 310-790 | Spok (paging) | Landline |
| 310-791 | Frontier Communications | Landline |
| 310-792 | Frontier Communications | Landline |
| 310-793 | Frontier Communications | Landline |
| 310-794 | Frontier Communications | Landline |
| 310-795 | AT&T Mobility | Wireless |
| 310-796 | Frontier Communications | Landline |
| 310-797 | American Messaging (paging) | Landline |
| 310-798 | Frontier Communications | Landline |
| 310-799 | American Messaging (paging) | Landline |
| 310-800 | Verizon Business (MCImetro) | Landline |
| 310-801 | AT&T Mobility | Wireless |
| 310-802 | Frontier Communications | Landline |
| 310-803 | Lumen (Level 3) | VoIP |
| 310-804 | AT&T Mobility | Wireless |
| 310-805 | Spok (paging) | Landline |
| 310-806 | TPx Communications | Landline |
| 310-807 | Onvoy (Sinch) | VoIP |
| 310-808 | Pacific Bell | Landline |
| 310-809 | T-Mobile | Wireless |
| 310-810 | Bandwidth.com | VoIP |
| 310-812 | Pacific Bell | Landline |
| 310-813 | Pacific Bell | Landline |
| 310-814 | Pacific Bell | Landline |
| 310-815 | Pacific Bell | Landline |
| 310-816 | Pacific Bell | Landline |
| 310-817 | Pacific Bell | Landline |
| 310-818 | TPx Communications | Landline |
| 310-819 | Verizon Business (MCImetro) | Landline |
| 310-820 | Frontier Communications | Landline |
| 310-821 | Frontier Communications | Landline |
| 310-822 | Frontier Communications | Landline |
| 310-823 | Frontier Communications | Landline |
| 310-824 | Frontier Communications | Landline |
| 310-825 | Frontier Communications | Landline |
| 310-826 | Frontier Communications | Landline |
| 310-827 | Frontier Communications | Landline |
| 310-828 | Frontier Communications | Landline |
| 310-829 | Frontier Communications | Landline |
| 310-830 | Pacific Bell | Landline |
| 310-831 | Pacific Bell | Landline |
| 310-832 | Pacific Bell | Landline |
| 310-833 | Pacific Bell | Landline |
| 310-834 | Pacific Bell | Landline |
| 310-835 | Pacific Bell | Landline |
| 310-836 | Pacific Bell | Landline |
| 310-837 | Pacific Bell | Landline |
| 310-838 | Pacific Bell | Landline |
| 310-839 | Pacific Bell | Landline |
| 310-840 | Pacific Bell | Landline |
| 310-841 | Pacific Bell | Landline |
| 310-842 | Pacific Bell | Landline |
| 310-843 | Pacific Bell | Landline |
| 310-844 | Verizon Business (MCImetro) | Landline |
| 310-845 | Pacific Bell | Landline |
| 310-846 | Verizon Business (MCImetro) | Landline |
| 310-847 | Pacific Bell | Landline |
| 310-848 | Verizon Wireless | Wireless |
| 310-849 | AT&T Mobility | Wireless |
| 310-850 | Verizon Wireless | Wireless |
| 310-851 | Pacific Bell | Landline |
| 310-852 | American Messaging (paging) | Landline |
| 310-853 | Bandwidth.com | VoIP |
| 310-854 | Pacific Bell | Landline |
| 310-855 | Pacific Bell | Landline |
| 310-856 | TPx Communications | Landline |
| 310-857 | TPx Communications | Landline |
| 310-858 | Pacific Bell | Landline |
| 310-859 | Pacific Bell | Landline |
| 310-860 | Pacific Bell | Landline |
| 310-861 | Onvoy (Sinch) | VoIP |
| 310-862 | Verizon Wireless | Wireless |
| 310-863 | T-Mobile | Wireless |
| 310-864 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-865 | Pacific Bell | Landline |
| 310-866 | Frontier Communications | Landline |
| 310-867 | T-Mobile | Wireless |
| 310-868 | Onvoy (Sinch) | VoIP |
| 310-869 | AT&T Mobility | Wireless |
| 310-870 | Bandwidth.com | VoIP |
| 310-871 | AT&T Mobility | Wireless |
| 310-872 | T-Mobile | Wireless |
| 310-873 | TPx Communications | Landline |
| 310-874 | AT&T Mobility | Wireless |
| 310-875 | Spok (paging) | Landline |
| 310-876 | T-Mobile | Wireless |
| 310-877 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-878 | Lumen (Level 3) | VoIP |
| 310-879 | Bandwidth.com | VoIP |
| 310-880 | AT&T Mobility | Wireless |
| 310-881 | TPx Communications | Landline |
| 310-882 | Verizon Wireless | Wireless |
| 310-883 | TPx Communications | Landline |
| 310-884 | Pacific Bell | Landline |
| 310-885 | Pacific Bell | Landline |
| 310-886 | Pacific Bell | Landline |
| 310-887 | Pacific Bell | Landline |
| 310-888 | Pacific Bell | Landline |
| 310-889 | Frontier Communications | Landline |
| 310-890 | AT&T Mobility | Wireless |
| 310-891 | Pacific Bell | Landline |
| 310-892 | Verizon Wireless | Wireless |
| 310-893 | Verizon Business (MCImetro) | Landline |
| 310-894 | Verizon Business (MCImetro) | Landline |
| 310-895 | Verizon Business (MCImetro) | Landline |
| 310-896 | TPx Communications | Landline |
| 310-897 | AT&T Mobility | Wireless |
| 310-898 | Pacific Bell | Landline |
| 310-899 | Frontier Communications | Landline |
| 310-900 | Pacific Bell | Landline |
| 310-901 | T-Mobile | Wireless |
| 310-902 | T-Mobile | Wireless |
| 310-903 | Verizon Wireless | Wireless |
| 310-904 | TPx Communications | Landline |
| 310-905 | Verizon Wireless | Wireless |
| 310-906 | Ip Horizon | Landline |
| 310-907 | Verizon Business (MCImetro) | Landline |
| 310-908 | AT&T Mobility | Wireless |
| 310-909 | Verizon Business (MCImetro) | Landline |
| 310-910 | T-Mobile | Wireless |
| 310-912 | Verizon Wireless | Wireless |
| 310-913 | Verizon Wireless | Wireless |
| 310-914 | Frontier Communications | Landline |
| 310-915 | Frontier Communications | Landline |
| 310-916 | Lumen (Level 3) | VoIP |
| 310-917 | Frontier Communications | Landline |
| 310-918 | AT&T Mobility | Wireless |
| 310-919 | Onvoy (Sinch) | VoIP |
| 310-920 | T-Mobile | Wireless |
| 310-921 | Frontier Communications | Landline |
| 310-922 | Verizon Wireless | Wireless |
| 310-923 | AT&T Mobility | Wireless |
| 310-924 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-925 | T-Mobile | Wireless |
| 310-926 | AT&T Mobility | Wireless |
| 310-927 | T-Mobile | Wireless |
| 310-928 | Verizon Business (MCImetro) | Landline |
| 310-929 | Ip Horizon | Landline |
| 310-930 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-931 | American Messaging (paging) | Landline |
| 310-932 | Spok (paging) | Landline |
| 310-933 | Lumen (Level 3) | VoIP |
| 310-934 | American Messaging (paging) | Landline |
| 310-935 | Onvoy (Sinch) | VoIP |
| 310-936 | T-Mobile | Wireless |
| 310-937 | Frontier Communications | Landline |
| 310-938 | AT&T Mobility | Wireless |
| 310-939 | Frontier Communications | Landline |
| 310-940 | AT&T Mobility | Wireless |
| 310-941 | AT&T Mobility | Wireless |
| 310-942 | 33 Wireless | Wireless |
| 310-943 | Onvoy (Sinch) | VoIP |
| 310-944 | Frontier Communications | Landline |
| 310-945 | Verizon Business (MCImetro) | Landline |
| 310-946 | Metro by T-Mobile (MetroPCS) | Wireless |
| 310-947 | T-Mobile | Wireless |
| 310-948 | AT&T Mobility | Wireless |
| 310-949 | North County Communication Corporation | Landline |
| 310-951 | T-Mobile | Wireless |
| 310-952 | Pacific Bell | Landline |
| 310-953 | Verizon Business (MCImetro) | Landline |
| 310-954 | Verizon Business (MCImetro) | Landline |
| 310-955 | Verizon Business (MCImetro) | Landline |
| 310-956 | Verizon Business (MCImetro) | Landline |
| 310-957 | Verizon Business (MCImetro) | Landline |
| 310-960 | Spok (paging) | Landline |
| 310-961 | Verizon Wireless | Wireless |
| 310-962 | AT&T Mobility | Wireless |
| 310-963 | Verizon Wireless | Wireless |
| 310-964 | Pacific Bell | Landline |
| 310-965 | Pacific Bell | Landline |
| 310-966 | Frontier Communications | Landline |
| 310-967 | Pacific Bell | Landline |
| 310-968 | Verizon Wireless | Wireless |
| 310-969 | AT&T (Teleport Communications) | Landline |
| 310-970 | Pacific Bell | Landline |
| 310-971 | Verizon Business (MCImetro) | Landline |
| 310-972 | Pacific Bell | Landline |
| 310-973 | Pacific Bell | Landline |
| 310-974 | Verizon Business (MCImetro) | Landline |
| 310-975 | Verizon Business (MCImetro) | Landline |
| 310-976 | North County Communication Corporation | Landline |
| 310-977 | AT&T Mobility | Wireless |
| 310-978 | Pacific Bell | Landline |
| 310-979 | Frontier Communications | Landline |
| 310-980 | T-Mobile | Wireless |
| 310-981 | AT&T (Teleport Communications) | Landline |
| 310-982 | T-Mobile | Wireless |
| 310-983 | Pacific Bell | Landline |
| 310-984 | Lumen (Level 3) | VoIP |
| 310-985 | T-Mobile | Wireless |
| 310-986 | T-Mobile | Wireless |
| 310-987 | T-Mobile | Wireless |
| 310-988 | Verizon Wireless | Wireless |
| 310-989 | AT&T Mobility | Wireless |
| 310-990 | AT&T Mobility | Wireless |
| 310-991 | Verizon Wireless | Wireless |
| 310-992 | Spok (paging) | Landline |
| 310-993 | AT&T Mobility | Wireless |
| 310-994 | AT&T Mobility | Wireless |
| 310-995 | Verizon Wireless | Wireless |
| 310-996 | Frontier Communications | Landline |
| 310-997 | Verizon Wireless | Wireless |
| 310-998 | Frontier Communications | Landline |
| 310-999 | T-Mobile | Wireless |
Line type reflects the registry assignment; ported numbers can differ. Unknown 310 number calling? ActiveArmor® screens it before you ever look it up.
Cities & Communities in and around Area Code 310
Communities the 310 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 |
|---|---|---|
| Avalon | 90704 | Check address |
| Bell | 90270, 90201, 90040 | Fiber up to 5 GIG |
| Bell Gardens | 90201, 90040, 90240 | Fiber up to 5 GIG |
| Bellflower | 90706, 90723, 90242 | Fiber up to 5 GIG |
| Beverly Hills | 90212, 90211, 90069 | Fiber up to 5 GIG |
| Burbank | 91502, 91506, 91505 | Fiber up to 5 GIG |
| Calabasas | 91302, 90290, 91367 | Internet Air |
| Carson | 90746, 90745, 90747 | Fiber up to 5 GIG |
| Commerce | 90040, 90022, 90201 | Fiber up to 5 GIG |
| Compton | 90220, 90221, 90222 | Fiber up to 5 GIG |
| Cudahy | 90201, 90280, 90270 | Fiber up to 5 GIG |
| Culver City | 90230, 90232, 90034 | Fiber up to 5 GIG |
| Downey | 90241, 90242, 90240 | Fiber up to 5 GIG |
| East Rancho Dominguez | 90221, 90723, 90262 | Fiber up to 5 GIG |
| El Segundo | 90245, 90266, 90045 | Fiber up to 5 GIG |
| Gardena | 90247, 90249, 90506 | Fiber up to 5 GIG |
| Hawthorne | 90250, 90304, 90303 | Fiber up to 5 GIG |
| Hermosa Beach | 90254, 90266, 90278 | Internet Air |
| Hidden Hills | 91307, 91367, 91302 | Check address |
| Inglewood | 90305, 90301, 90302 | Fiber up to 5 GIG |
| Lakewood | 90713, 90712, 90808 | Fiber up to 5 GIG |
| Lawndale | 90260, 90506, 90278 | Fiber up to 5 GIG |
| Lennox | 90304, 90301, 90303 | Fiber up to 5 GIG |
| Lomita | 90717, 90710, 90505 | Fiber up to 5 GIG |
| Long Beach | 90804, 90755, 90814 | Fiber up to 5 GIG |
| Los Alamitos | 90720, 90630, 92845 | Fiber up to 5 GIG |
| Los Angeles | 90034, 90232, 90064 | Fiber up to 5 GIG |
| Lynwood | 90262, 90280, 90222 | Fiber up to 5 GIG |
| Malibu | 90263, 90265, 91301 | Internet Air |
| Manhattan Beach | 90266, 90245, 90254 | Fiber up to 5 GIG |
| Marina Del Rey | 90292, 90291, 90094 | Fiber up to 1 GIG |
| Palos Verdes Estates | 90274, 90275, 90277 | Fiber up to 5 GIG |
| Rancho Palos Verdes | 90275, 90274, 90732 | Fiber up to 5 GIG |
| Redondo Beach | 90254, 90277, 90278 | Internet Air |
| Rossmoor | 90720, 90815, 90822 | Fiber up to 5 GIG |
| Santa Monica | 90401, 90403, 90405 | Fiber up to 5 GIG |
| Seal Beach | 90740, 90743, 90742 | Internet Air |
| Signal Hill | 90755, 90806, 90804 | Internet Air |
| South Gate | 90280, 90262, 90201 | Fiber up to 5 GIG |
| Topanga | 90290, 91364, 91302 | Internet Air |
| Torrance | 90503, 90505, 90277 | Fiber up to 5 GIG |
| West Hollywood | 90069, 90048, 90046 | 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.
310 Area Code Map
Area code 310 serves Torrance and nearby communities in CA.
↓ Printable PDF
Open the printable 310 map (PDF) · All California area codes · Home internet in Torrance
Counties Covered by the 310 Area Code
Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023.
The 310, explained
Area Code 310: More Than a Number in Torrance
In Torrance, the 310 is more than digits on a caller ID. It arrived in 1991, layered onto the 213 region, and it has meant Torrance and surrounding communities ever since — 786 carrier prefixes keep its lines busy today, and an established 310 number still says you’ve been here a while.
The map tells its own story: Torrance and surrounding communities, with 424 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 310 came first.
Keeping a 310 matters here. An existing 310 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 424 instead — one more reason locals hold on to theirs.
Need a new local number? Shop plans Keep your 310: bring it to AT&TInternet, wireless & stores in the 310
AT&T Home Internet in Area Code 310
AT&T home internet serves communities across area code 310, 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 310? AT&T Business Internet is available at many addresses.
Fiber install day in the 310Check your address ›
Moving to Area Code 310?
Set up home internet in area code 310 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 310 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 310
AT&T’s 5G network covers most of area code 310. ActiveArmor® spam blocking is included with every unlimited plan, your 310 number stays yours, and great cell phone deals in Torrance are a tap away.
5G across the 310ActiveArmor® includedKeep your 310 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 310 number? Ask when you activate a line: the 310 shares its territory with 424, so new lines may draw one of those codes, and porting an existing 310 number keeps it yours.
Stay connected across TorranceShop wireless plans ›
AT&T Stores in Area Code 310
Looking for cell phone stores in area code 310? These stores answer on 310 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 TorranceFind your store ›
All AT&T Stores with 310 Numbers
Every store below answers on a 310 number. Tap any number to call.
11 AT&T stores with 310 numbers
International Calling from Area Code 310
Calling abroad from area code 310? 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 310 calls most:MexicoPhilippinesChinaIndiaVietnam
Top places of birth among foreign-born residents of the 310’s counties, U.S. Census Bureau ACS 2023.
Calling abroad from a 310 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.
Torrance calls the worldSee international plans ›
310 Area Code Quick Facts & Dialing
StateCalifornia
Time zonePacific
Overlays424share this territory
Established1991added to the 213 region
Dialing10 digitsrequired
Toll-free?Nogeographic code
Population13.2Mcounties served, Census 2023
Largest cityTorrance+41 more ›
How to dial a 310 number
| Scenario | Format | Example |
|---|---|---|
| Local call (within the region) | 310 + 7-digit number | (310) 555-0100 |
| Long distance (within the U.S.) | 1 + 310 + 7-digit number | 1 (310) 555-0100 |
| Calling 310 from another country | +1 310 + 7-digit number | +1 310 555 0100 |
| From a mobile phone | (310) + 7-digit number | (310) 555-0100 |
A Short History of Area Code 310
Added in 1991 to the 213 region, the 310 serves Torrance and surrounding communities.
Area Code 310 vs the related codes
| Code | Added | Type | Where it works |
|---|---|---|---|
| 310 | 1991 | Overlay | Torrance and surrounding communities |
| 562 | 1997 | Split | Territory carved from the 310 |
| 424 | 2006 | Overlay | Same territory as the 310 |
Same rates, same local dialing: a number from any code in the region works exactly like a 310.
Nearby & Related Area Codes
Browse area codes by state: California (41) · Texas (29) · Florida (23) · all 50 states ›
Area Code 310 FAQ
What area code is 310?
310 is the area code for Torrance, California and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 310?
Area code 310 serves Torrance, California and nearby communities including Altadena, Anaheim, Arcadia. The full city list is in the cities table above.
Why did I get a text message from a 310 number?
The most common 310 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 310?
A 310 number usually means Torrance 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 310?
Pacific time. The live local time is shown at the top of this page.
Why am I getting calls from 310 numbers?
310 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 310 prefixes are drawing complaints right now.
Is 310 a toll-free number?
No. 310 is a geographic area code tied to Torrance, California. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
What’s the difference between 310 and 424?
424 is an overlay of 310: both cover the same Torrance area, and calls between them are local. New lines may get either code.
Which cities use area code 310?
The largest communities include Avalon, Bell, Bell Gardens, Bellflower, Beverly Hills. The full list is in the cities table above.
Does AT&T offer service in the 310?
Yes: home internet, wireless and retail stores across the 310. Availability is checked address by address.
Can I still get a 310 number?
Yes. Carriers in Torrance and across the 310 still issue 310 numbers on new lines, and you can port an existing 310 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.
Can I keep my 310 number if I move?
Yes. Phone numbers are portable: your 310 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.
