Who Called Me from Area Code 631?
Quick answerA 631 call usually comes from Brentwood 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 631 prefixes, right on this page.
- Curious who issued a number? Every 631 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 631 prefixes this month
PrefixReported patternReport volume
(631) 202-XXXXRobocall-heavy
(631) 659-XXXXRobocall-heavy
(631) 818-XXXXRobocall-heavy
(631) 500-XXXXRobocall-heavy
(631) 326-XXXXRobocall-heavy
588 unwanted-call reports naming 631 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.
Block spam calls in the 631, 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 631 a Scam?
No. 631 is a legitimate Brentwood area code.
It’s added to the 516 region in 1999 and serves Brentwood 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 516 region in 1999; 782 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 631 numbers
The most common area code 631 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 631
Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 631 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 631 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 631 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.
631 Area Code Prefix & Carrier Lookup
The three digits after the area code identify the carrier a number was issued to. All 782 assigned 631 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 631 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.
782 prefixes · updated monthly
| Prefix | Carrier | Line type |
|---|---|---|
| 631-200 | Verizon Business (MCImetro) | Landline |
| 631-201 | Onvoy (Sinch) | VoIP |
| 631-202 | Onvoy (Sinch) | VoIP |
| 631-203 | Onvoy (Sinch) | VoIP |
| 631-204 | Verizon New York | Landline |
| 631-205 | Verizon New York | Landline |
| 631-206 | Verizon New York | Landline |
| 631-207 | Verizon New York | Landline |
| 631-208 | Verizon New York | Landline |
| 631-209 | Verizon New York | Landline |
| 631-210 | Windstream (Paetec) | Landline |
| 631-212 | Onvoy (Sinch) | VoIP |
| 631-213 | AT&T (Teleport Communications) | Landline |
| 631-214 | Csc Voice | Landline |
| 631-215 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-216 | Verizon New York | Landline |
| 631-217 | American Network | Landline |
| 631-218 | Verizon New York | Landline |
| 631-219 | Verizon Wireless | Wireless |
| 631-220 | T-Mobile (Omnipoint) | Landline |
| 631-221 | Verizon New York | Landline |
| 631-223 | Verizon Business (MCImetro) | Landline |
| 631-224 | Verizon New York | Landline |
| 631-225 | Verizon New York | Landline |
| 631-226 | Verizon New York | Landline |
| 631-227 | Windstream (Paetec) | Landline |
| 631-228 | Verizon Business (MCImetro) | Landline |
| 631-229 | Verizon Business (MCImetro) | Landline |
| 631-230 | Peerless Network | VoIP |
| 631-231 | Verizon New York | Landline |
| 631-232 | Verizon New York | Landline |
| 631-233 | Verizon New York | Landline |
| 631-234 | Verizon New York | Landline |
| 631-235 | Verizon Wireless | Wireless |
| 631-236 | Lumen (Level 3) | VoIP |
| 631-237 | Optimum (Lightpath) | VoIP |
| 631-238 | Csc Voice | Landline |
| 631-239 | AT&T (Teleport Communications) | Landline |
| 631-240 | Lumen (Level 3) | VoIP |
| 631-241 | Verizon Wireless | Wireless |
| 631-242 | Verizon New York | Landline |
| 631-243 | Verizon New York | Landline |
| 631-244 | Verizon New York | Landline |
| 631-245 | AT&T Mobility | Wireless |
| 631-246 | Verizon New York | Landline |
| 631-247 | AT&T (Teleport Communications) | Landline |
| 631-248 | Peerless Network | VoIP |
| 631-249 | Verizon New York | Landline |
| 631-250 | Csc Voice | Landline |
| 631-251 | Lumen (Level 3) | VoIP |
| 631-252 | Verizon Wireless | Wireless |
| 631-253 | Verizon New York | Landline |
| 631-254 | Verizon New York | Landline |
| 631-255 | AT&T Mobility | Wireless |
| 631-256 | AT&T (Teleport Communications) | Landline |
| 631-257 | Optimum (Lightpath) | VoIP |
| 631-258 | Verizon Wireless | Wireless |
| 631-259 | Verizon New York | Landline |
| 631-260 | Verizon Wireless | Wireless |
| 631-261 | Verizon New York | Landline |
| 631-262 | Verizon New York | Landline |
| 631-263 | Verizon Wireless | Wireless |
| 631-264 | Verizon New York | Landline |
| 631-265 | Verizon New York | Landline |
| 631-266 | Verizon New York | Landline |
| 631-267 | Verizon New York | Landline |
| 631-268 | Peerless Network | VoIP |
| 631-269 | Verizon New York | Landline |
| 631-270 | Verizon Business (MCImetro) | Landline |
| 631-271 | Verizon New York | Landline |
| 631-272 | Verizon New York | Landline |
| 631-273 | Verizon New York | Landline |
| 631-274 | Verizon New York | Landline |
| 631-275 | T-Mobile (Omnipoint) | Landline |
| 631-276 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-277 | Verizon New York | Landline |
| 631-278 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-279 | Spok (paging) | Landline |
| 631-280 | Shelcomm | Landline |
| 631-281 | Verizon New York | Landline |
| 631-282 | Verizon New York | Landline |
| 631-283 | Verizon New York | Landline |
| 631-284 | Verizon New York | Landline |
| 631-285 | Verizon New York | Landline |
| 631-286 | Verizon New York | Landline |
| 631-287 | Verizon New York | Landline |
| 631-288 | Verizon New York | Landline |
| 631-289 | Verizon New York | Landline |
| 631-290 | T-Mobile (Omnipoint) | Landline |
| 631-291 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-292 | Lumen (Level 3) | VoIP |
| 631-293 | Verizon New York | Landline |
| 631-294 | T-Mobile (Omnipoint) | Landline |
| 631-295 | Lumen (Level 3) | VoIP |
| 631-296 | Csc Voice | Landline |
| 631-297 | Windstream (Paetec) | Landline |
| 631-298 | Verizon New York | Landline |
| 631-299 | Windstream (Paetec) | Landline |
| 631-300 | Verizon New York | Landline |
| 631-301 | Telnyx | Landline |
| 631-302 | Onvoy (Sinch) | VoIP |
| 631-303 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-304 | Verizon Wireless | Wireless |
| 631-305 | AT&T Mobility | Wireless |
| 631-306 | Lumen (Level 3) | VoIP |
| 631-307 | AT&T Mobility | Wireless |
| 631-308 | T-Mobile (Omnipoint) | Landline |
| 631-309 | Optimum (Lightpath) | VoIP |
| 631-310 | AT&T Mobility | Wireless |
| 631-312 | AT&T (Teleport Communications) | Landline |
| 631-313 | Optimum (Lightpath) | VoIP |
| 631-314 | Telnyx | Landline |
| 631-315 | Csc Voice | Landline |
| 631-316 | Verizon Wireless | Wireless |
| 631-317 | AT&T Mobility | Wireless |
| 631-318 | Verizon Business (MCImetro) | Landline |
| 631-319 | Verizon New York | Landline |
| 631-320 | Csc Voice | Landline |
| 631-321 | Verizon New York | Landline |
| 631-322 | Spok (paging) | Landline |
| 631-323 | Verizon New York | Landline |
| 631-324 | Verizon New York | Landline |
| 631-325 | Verizon New York | Landline |
| 631-326 | Verizon Business (MCImetro) | Landline |
| 631-327 | AT&T Mobility | Wireless |
| 631-328 | Windstream (Paetec) | Landline |
| 631-329 | Verizon New York | Landline |
| 631-330 | Optimum (Lightpath) | VoIP |
| 631-331 | Verizon New York | Landline |
| 631-332 | AT&T Mobility | Wireless |
| 631-333 | Windstream (Paetec) | Landline |
| 631-334 | T-Mobile (Omnipoint) | Landline |
| 631-335 | Verizon Wireless | Wireless |
| 631-336 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-337 | Lumen (Level 3) | VoIP |
| 631-338 | Verizon Wireless | Wireless |
| 631-339 | Bandwidth.com | VoIP |
| 631-340 | Spok (paging) | Landline |
| 631-341 | Verizon New York | Landline |
| 631-342 | Verizon New York | Landline |
| 631-343 | Csc Voice | Landline |
| 631-344 | Verizon New York | Landline |
| 631-345 | Verizon New York | Landline |
| 631-346 | Bandwidth.com | VoIP |
| 631-347 | AT&T Mobility | Wireless |
| 631-348 | Verizon New York | Landline |
| 631-349 | Onvoy (Sinch) | VoIP |
| 631-350 | Verizon Business (MCImetro) | Landline |
| 631-351 | Verizon New York | Landline |
| 631-352 | T-Mobile (Omnipoint) | Landline |
| 631-353 | Bandwidth.com | VoIP |
| 631-354 | Lumen (Level 3) | VoIP |
| 631-355 | T-Mobile (Omnipoint) | Landline |
| 631-356 | T-Mobile (Omnipoint) | Landline |
| 631-357 | Verizon New York | Landline |
| 631-358 | Verizon Wireless | Wireless |
| 631-359 | Peerless Network | VoIP |
| 631-360 | Verizon New York | Landline |
| 631-361 | Verizon New York | Landline |
| 631-363 | Verizon New York | Landline |
| 631-364 | Windstream (Paetec) | Landline |
| 631-365 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-366 | Verizon New York | Landline |
| 631-367 | Verizon New York | Landline |
| 631-368 | Verizon New York | Landline |
| 631-369 | Verizon New York | Landline |
| 631-370 | AT&T (Teleport Communications) | Landline |
| 631-371 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-372 | Verizon Wireless | Wireless |
| 631-373 | Spok (paging) | Landline |
| 631-374 | AT&T Mobility | Wireless |
| 631-375 | AT&T Mobility | Wireless |
| 631-376 | Verizon New York | Landline |
| 631-377 | AT&T Mobility | Wireless |
| 631-378 | Lumen (Level 3) | VoIP |
| 631-379 | Verizon Wireless | Wireless |
| 631-380 | AT&T (Teleport Communications) | Landline |
| 631-381 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-382 | Verizon New York | Landline |
| 631-383 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-384 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-385 | Verizon New York | Landline |
| 631-386 | Windstream (Paetec) | Landline |
| 631-387 | AT&T (Teleport Communications) | Landline |
| 631-388 | Csc Voice | Landline |
| 631-389 | Windstream (Paetec) | Landline |
| 631-390 | Optimum (Lightpath) | VoIP |
| 631-391 | Verizon New York | Landline |
| 631-392 | Csc Voice | Landline |
| 631-393 | Optimum (Lightpath) | VoIP |
| 631-394 | T-Mobile (Omnipoint) | Landline |
| 631-395 | Verizon New York | Landline |
| 631-396 | Optimum (Lightpath) | VoIP |
| 631-397 | Bandwidth.com | VoIP |
| 631-398 | T-Mobile (Omnipoint) | Landline |
| 631-399 | Verizon New York | Landline |
| 631-400 | Onvoy (Sinch) | VoIP |
| 631-401 | AT&T Mobility | Wireless |
| 631-402 | Telengy | Landline |
| 631-403 | Verizon Business (MCImetro) | Landline |
| 631-404 | AT&T Local | Landline |
| 631-405 | Verizon Business (MCImetro) | Landline |
| 631-406 | RCN (Astound) | Landline |
| 631-407 | Bandwidth.com | VoIP |
| 631-408 | T-Mobile (Omnipoint) | Landline |
| 631-409 | Ip Horizon | Landline |
| 631-410 | Windstream (Paetec) | Landline |
| 631-412 | Verizon Business (MCImetro) | Landline |
| 631-413 | AT&T Mobility | Wireless |
| 631-414 | Optimum (Lightpath) | VoIP |
| 631-415 | Lumen (Level 3) | VoIP |
| 631-416 | Verizon Wireless | Wireless |
| 631-417 | Optimum (Lightpath) | VoIP |
| 631-418 | Verizon Business (MCImetro) | Landline |
| 631-419 | Verizon New York | Landline |
| 631-420 | Verizon New York | Landline |
| 631-421 | Verizon New York | Landline |
| 631-422 | Verizon New York | Landline |
| 631-423 | Verizon New York | Landline |
| 631-424 | Verizon New York | Landline |
| 631-425 | Verizon New York | Landline |
| 631-426 | T-Mobile (Omnipoint) | Landline |
| 631-427 | Verizon New York | Landline |
| 631-428 | T-Mobile (Omnipoint) | Landline |
| 631-429 | Peerless Network | VoIP |
| 631-430 | Peerless Network | VoIP |
| 631-431 | T-Mobile (Omnipoint) | Landline |
| 631-432 | Verizon Wireless | Wireless |
| 631-433 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-434 | Verizon New York | Landline |
| 631-435 | Verizon New York | Landline |
| 631-436 | Verizon New York | Landline |
| 631-437 | AT&T (Teleport Communications) | Landline |
| 631-438 | Bandwidth.com | VoIP |
| 631-439 | Optimum (Lightpath) | VoIP |
| 631-440 | Lumen (Level 3) | VoIP |
| 631-441 | Spok (paging) | Landline |
| 631-442 | Spok (paging) | Landline |
| 631-443 | Lumen (Level 3) | VoIP |
| 631-444 | Verizon New York | Landline |
| 631-445 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-446 | Csc Voice | Landline |
| 631-447 | Verizon New York | Landline |
| 631-448 | T-Mobile (Omnipoint) | Landline |
| 631-449 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-450 | Onvoy (Sinch) | VoIP |
| 631-451 | Verizon New York | Landline |
| 631-452 | T-Mobile (Omnipoint) | Landline |
| 631-453 | American Messaging (paging) | Landline |
| 631-454 | Verizon New York | Landline |
| 631-455 | T-Mobile (Omnipoint) | Landline |
| 631-456 | Verizon Wireless | Wireless |
| 631-457 | AT&T (Teleport Communications) | Landline |
| 631-458 | Lumen (Level 3) | VoIP |
| 631-459 | Verizon Wireless | Wireless |
| 631-460 | Verizon Business (MCImetro) | Landline |
| 631-461 | Verizon Wireless | Wireless |
| 631-462 | Verizon New York | Landline |
| 631-463 | T-Mobile (Omnipoint) | Landline |
| 631-464 | Bandwidth.com | VoIP |
| 631-465 | Optimum (Lightpath) | VoIP |
| 631-466 | Lumen (Level 3) | VoIP |
| 631-467 | Verizon New York | Landline |
| 631-468 | Verizon New York | Landline |
| 631-469 | Optimum (Lightpath) | VoIP |
| 631-470 | Optimum (Lightpath) | VoIP |
| 631-471 | Verizon New York | Landline |
| 631-472 | Verizon New York | Landline |
| 631-473 | Verizon New York | Landline |
| 631-474 | Verizon New York | Landline |
| 631-475 | Verizon New York | Landline |
| 631-476 | Verizon New York | Landline |
| 631-477 | Verizon New York | Landline |
| 631-478 | Verizon Business (MCImetro) | Landline |
| 631-479 | Lumen (Level 3) | VoIP |
| 631-480 | Telengy | Landline |
| 631-481 | Verizon Business (MCImetro) | Landline |
| 631-482 | Csc Voice | Landline |
| 631-483 | Telengy | Landline |
| 631-484 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-485 | Lumen (Level 3) | VoIP |
| 631-486 | Optimum (Lightpath) | VoIP |
| 631-487 | Verizon Wireless | Wireless |
| 631-488 | Csc Voice | Landline |
| 631-489 | Verizon Business (MCImetro) | Landline |
| 631-490 | Telengy | Landline |
| 631-491 | Verizon New York | Landline |
| 631-492 | Verizon New York | Landline |
| 631-493 | Verizon New York | Landline |
| 631-494 | T-Mobile (Omnipoint) | Landline |
| 631-495 | Verizon Wireless | Wireless |
| 631-496 | Lumen (Level 3) | VoIP |
| 631-497 | Onvoy (Sinch) | VoIP |
| 631-498 | Windstream (Paetec) | Landline |
| 631-499 | Verizon New York | Landline |
| 631-500 | Onvoy (Sinch) | VoIP |
| 631-501 | Verizon New York | Landline |
| 631-502 | Telengy | Landline |
| 631-503 | AT&T (Teleport Communications) | Landline |
| 631-504 | Optimum (Lightpath) | VoIP |
| 631-505 | Bandwidth.com | VoIP |
| 631-506 | Verizon New York | Landline |
| 631-507 | T-Mobile (Omnipoint) | Landline |
| 631-508 | Verizon Wireless | Wireless |
| 631-509 | Csc Voice | Landline |
| 631-510 | Verizon Business (MCImetro) | Landline |
| 631-512 | AT&T Mobility | Wireless |
| 631-513 | Lumen (Level 3) | VoIP |
| 631-514 | Verizon Business (MCImetro) | Landline |
| 631-515 | Onvoy (Sinch) | VoIP |
| 631-516 | Onvoy (Sinch) | VoIP |
| 631-517 | Lumen (Level 3) | VoIP |
| 631-518 | Peerless Network | VoIP |
| 631-519 | Peerless Network | VoIP |
| 631-520 | Lumen (Level 3) | VoIP |
| 631-521 | Lumen (Level 3) | VoIP |
| 631-522 | Csc Voice | Landline |
| 631-523 | T-Mobile (Omnipoint) | Landline |
| 631-524 | AT&T Mobility | Wireless |
| 631-525 | Lumen (Level 3) | VoIP |
| 631-526 | Onvoy (Sinch) | VoIP |
| 631-527 | Csc Voice | Landline |
| 631-528 | Verizon Business (MCImetro) | Landline |
| 631-529 | Onvoy (Sinch) | VoIP |
| 631-530 | T-Mobile (Omnipoint) | Landline |
| 631-531 | Verizon New York | Landline |
| 631-532 | Windstream (Paetec) | Landline |
| 631-533 | Verizon Business (MCImetro) | Landline |
| 631-534 | Verizon Business (MCImetro) | Landline |
| 631-535 | Peerless Network | VoIP |
| 631-536 | Lumen (Level 3) | VoIP |
| 631-537 | Verizon New York | Landline |
| 631-538 | AT&T Mobility | Wireless |
| 631-539 | Optimum (Lightpath) | VoIP |
| 631-540 | Onvoy (Sinch) | VoIP |
| 631-541 | Verizon New York | Landline |
| 631-542 | Telengy | Landline |
| 631-543 | Verizon New York | Landline |
| 631-544 | Verizon New York | Landline |
| 631-545 | Peerless Network | VoIP |
| 631-546 | Lumen (Level 3) | VoIP |
| 631-547 | Verizon New York | Landline |
| 631-548 | Verizon New York | Landline |
| 631-549 | Verizon New York | Landline |
| 631-550 | Lte Wireless Inc D/B/A Lte Wireless | Wireless |
| 631-551 | Verizon Business (MCImetro) | Landline |
| 631-552 | T-Mobile (Omnipoint) | Landline |
| 631-553 | Verizon Wireless | Wireless |
| 631-554 | Spok (paging) | Landline |
| 631-556 | Zcall.Com | Landline |
| 631-557 | Onvoy (Sinch) | VoIP |
| 631-558 | Spok (paging) | Landline |
| 631-559 | AT&T Mobility | Wireless |
| 631-560 | Verizon Wireless | Wireless |
| 631-561 | AT&T (Teleport Communications) | Landline |
| 631-562 | Csc Voice | Landline |
| 631-563 | Verizon New York | Landline |
| 631-564 | Windstream (Paetec) | Landline |
| 631-565 | T-Mobile (Omnipoint) | Landline |
| 631-566 | Lumen (Level 3) | VoIP |
| 631-567 | Verizon New York | Landline |
| 631-568 | Hd Carrier | Landline |
| 631-569 | Lumen (Level 3) | VoIP |
| 631-570 | Lumen (Level 3) | VoIP |
| 631-571 | Peerless Network | VoIP |
| 631-572 | T-Mobile (Omnipoint) | Landline |
| 631-573 | Csc Voice | Landline |
| 631-574 | Windstream (Paetec) | Landline |
| 631-575 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-576 | Verizon Business (MCImetro) | Landline |
| 631-577 | Verizon New York | Landline |
| 631-578 | T-Mobile (Omnipoint) | Landline |
| 631-579 | AT&T Mobility | Wireless |
| 631-580 | Verizon New York | Landline |
| 631-581 | Verizon New York | Landline |
| 631-582 | Verizon New York | Landline |
| 631-583 | Verizon New York | Landline |
| 631-584 | Verizon New York | Landline |
| 631-585 | Verizon New York | Landline |
| 631-586 | Verizon New York | Landline |
| 631-587 | Verizon New York | Landline |
| 631-588 | Verizon New York | Landline |
| 631-589 | Verizon New York | Landline |
| 631-590 | Lumen (Level 3) | VoIP |
| 631-591 | Optimum (Lightpath) | VoIP |
| 631-592 | Optimum (Lightpath) | VoIP |
| 631-593 | Lumen (Level 3) | VoIP |
| 631-594 | Csc Voice | Landline |
| 631-595 | Verizon New York | Landline |
| 631-596 | Verizon Business (MCImetro) | Landline |
| 631-597 | Verizon New York | Landline |
| 631-598 | Verizon New York | Landline |
| 631-599 | Verizon Wireless | Wireless |
| 631-600 | Onvoy (Sinch) | VoIP |
| 631-601 | AT&T Mobility | Wireless |
| 631-602 | Verizon Business (MCImetro) | Landline |
| 631-603 | Windstream (Paetec) | Landline |
| 631-604 | Csc Voice | Landline |
| 631-605 | AT&T Mobility | Wireless |
| 631-606 | Csc Voice | Landline |
| 631-607 | AT&T (Teleport Communications) | Landline |
| 631-608 | Optimum (Lightpath) | VoIP |
| 631-609 | Verizon Wireless | Wireless |
| 631-610 | Lumen (Level 3) | VoIP |
| 631-612 | Lumen (Level 3) | VoIP |
| 631-613 | Onvoy (Sinch) | VoIP |
| 631-614 | Onvoy (Sinch) | VoIP |
| 631-615 | Lumen (Level 3) | VoIP |
| 631-616 | Verizon Business (MCImetro) | Landline |
| 631-617 | Verizon Wireless | Wireless |
| 631-618 | Lumen (Level 3) | VoIP |
| 631-619 | AT&T (Teleport Communications) | Landline |
| 631-620 | Optimum (Lightpath) | VoIP |
| 631-621 | Verizon Business (MCImetro) | Landline |
| 631-622 | Optimum (Lightpath) | VoIP |
| 631-623 | AT&T (Teleport Communications) | Landline |
| 631-624 | Verizon Wireless | Wireless |
| 631-625 | Onvoy (Sinch) | VoIP |
| 631-626 | Verizon Wireless | Wireless |
| 631-627 | Optimum (Lightpath) | VoIP |
| 631-628 | Verizon Business (MCImetro) | Landline |
| 631-629 | Csc Voice | Landline |
| 631-630 | Optimum (Lightpath) | VoIP |
| 631-631 | Bandwidth.com | VoIP |
| 631-632 | Verizon New York | Landline |
| 631-633 | Windstream (Paetec) | Landline |
| 631-634 | Optimum (Lightpath) | VoIP |
| 631-635 | Optimum (Lightpath) | VoIP |
| 631-636 | AT&T Mobility | Wireless |
| 631-637 | Verizon Business (MCImetro) | Landline |
| 631-638 | Verizon New York | Landline |
| 631-639 | AT&T (Teleport Communications) | Landline |
| 631-640 | T-Mobile (Omnipoint) | Landline |
| 631-641 | Bandwidth.com | VoIP |
| 631-642 | Verizon New York | Landline |
| 631-643 | Verizon New York | Landline |
| 631-644 | Verizon Wireless | Wireless |
| 631-645 | T-Mobile (Omnipoint) | Landline |
| 631-646 | Onvoy (Sinch) | VoIP |
| 631-647 | Optimum (Lightpath) | VoIP |
| 631-648 | Optimum (Lightpath) | VoIP |
| 631-649 | Lumen (Level 3) | VoIP |
| 631-650 | Optimum (Lightpath) | VoIP |
| 631-651 | Csc Voice | Landline |
| 631-652 | Verizon Business (MCImetro) | Landline |
| 631-653 | Verizon New York | Landline |
| 631-654 | Verizon New York | Landline |
| 631-655 | AT&T (Teleport Communications) | Landline |
| 631-656 | Optimum (Lightpath) | VoIP |
| 631-657 | Lumen (Level 3) | VoIP |
| 631-658 | Csc Voice | Landline |
| 631-659 | Optimum (Lightpath) | VoIP |
| 631-660 | T-Mobile (Omnipoint) | Landline |
| 631-661 | Verizon New York | Landline |
| 631-662 | AT&T Mobility | Wireless |
| 631-663 | Optimum (Lightpath) | VoIP |
| 631-664 | T-Mobile (Omnipoint) | Landline |
| 631-665 | Verizon New York | Landline |
| 631-666 | Verizon New York | Landline |
| 631-667 | Verizon New York | Landline |
| 631-668 | Verizon New York | Landline |
| 631-669 | Verizon New York | Landline |
| 631-670 | Optimum (Lightpath) | VoIP |
| 631-671 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-672 | T-Mobile (Omnipoint) | Landline |
| 631-673 | Verizon New York | Landline |
| 631-674 | Verizon Business (MCImetro) | Landline |
| 631-675 | Optimum (Lightpath) | VoIP |
| 631-676 | Csc Voice | Landline |
| 631-677 | Verizon Business (MCImetro) | Landline |
| 631-678 | Verizon Business (MCImetro) | Landline |
| 631-679 | Verizon New York | Landline |
| 631-680 | AT&T Mobility | Wireless |
| 631-681 | AT&T Mobility | Wireless |
| 631-682 | AT&T Mobility | Wireless |
| 631-683 | Verizon Business (MCImetro) | Landline |
| 631-684 | Peerless Network | VoIP |
| 631-685 | Onvoy (Sinch) | VoIP |
| 631-686 | Optimum (Lightpath) | VoIP |
| 631-687 | Verizon New York | Landline |
| 631-688 | AT&T (Teleport Communications) | Landline |
| 631-689 | Verizon New York | Landline |
| 631-690 | AT&T Mobility | Wireless |
| 631-691 | Verizon New York | Landline |
| 631-692 | Verizon New York | Landline |
| 631-693 | AT&T (Teleport Communications) | Landline |
| 631-694 | Verizon New York | Landline |
| 631-695 | Spok (paging) | Landline |
| 631-696 | Verizon New York | Landline |
| 631-697 | AT&T Mobility | Wireless |
| 631-698 | Verizon New York | Landline |
| 631-699 | Verizon Business (MCImetro) | Landline |
| 631-701 | AT&T (Teleport Communications) | Landline |
| 631-702 | Lumen (Level 3) | VoIP |
| 631-703 | T-Mobile (Omnipoint) | Landline |
| 631-704 | AT&T Mobility | Wireless |
| 631-705 | Onvoy (Sinch) | VoIP |
| 631-706 | Verizon Business (MCImetro) | Landline |
| 631-707 | Lumen (Level 3) | VoIP |
| 631-708 | Verizon Wireless | Wireless |
| 631-709 | Lumen (Level 3) | VoIP |
| 631-710 | Optimum (Lightpath) | VoIP |
| 631-712 | AT&T (Teleport Communications) | Landline |
| 631-713 | Windstream (Paetec) | Landline |
| 631-714 | Lumen (Level 3) | VoIP |
| 631-715 | AT&T (Teleport Communications) | Landline |
| 631-716 | Verizon New York | Landline |
| 631-717 | Peering Hub | Landline |
| 631-718 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-719 | Optimum (Lightpath) | VoIP |
| 631-720 | T-Mobile (Omnipoint) | Landline |
| 631-721 | Verizon Business (MCImetro) | Landline |
| 631-722 | Verizon New York | Landline |
| 631-723 | Verizon New York | Landline |
| 631-724 | Verizon New York | Landline |
| 631-725 | Verizon New York | Landline |
| 631-726 | Verizon New York | Landline |
| 631-727 | Verizon New York | Landline |
| 631-728 | Verizon New York | Landline |
| 631-729 | AT&T (Teleport Communications) | Landline |
| 631-730 | Optimum (Lightpath) | VoIP |
| 631-731 | Lumen (Level 3) | VoIP |
| 631-732 | Verizon New York | Landline |
| 631-733 | Scarsdale Security Systems | Landline |
| 631-734 | Verizon New York | Landline |
| 631-735 | Peerless Network | VoIP |
| 631-736 | Verizon New York | Landline |
| 631-737 | Verizon New York | Landline |
| 631-738 | Verizon New York | Landline |
| 631-739 | Verizon Business (MCImetro) | Landline |
| 631-740 | Verizon Wireless | Wireless |
| 631-741 | AT&T Mobility | Wireless |
| 631-742 | AT&T Mobility | Wireless |
| 631-743 | Csc Voice | Landline |
| 631-744 | Verizon New York | Landline |
| 631-745 | AT&T Mobility | Wireless |
| 631-746 | T-Mobile (Omnipoint) | Landline |
| 631-747 | AT&T Mobility | Wireless |
| 631-748 | T-Mobile (Omnipoint) | Landline |
| 631-749 | Verizon New York | Landline |
| 631-750 | Optimum (Lightpath) | VoIP |
| 631-751 | Verizon New York | Landline |
| 631-752 | Verizon New York | Landline |
| 631-753 | Verizon New York | Landline |
| 631-754 | Verizon New York | Landline |
| 631-755 | Verizon New York | Landline |
| 631-756 | Verizon New York | Landline |
| 631-757 | Verizon New York | Landline |
| 631-758 | Verizon New York | Landline |
| 631-759 | Lumen (Level 3) | VoIP |
| 631-760 | AT&T (Teleport Communications) | Landline |
| 631-761 | Optimum (Lightpath) | VoIP |
| 631-762 | Lumen (Level 3) | VoIP |
| 631-763 | Verizon Business (MCImetro) | Landline |
| 631-764 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-765 | Verizon New York | Landline |
| 631-766 | Verizon Wireless | Wireless |
| 631-767 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-768 | Windstream (Paetec) | Landline |
| 631-769 | Verizon Business (MCImetro) | Landline |
| 631-770 | Verizon Business (MCImetro) | Landline |
| 631-771 | Lumen (Level 3) | VoIP |
| 631-772 | Optimum (Lightpath) | VoIP |
| 631-773 | Windstream (Paetec) | Landline |
| 631-774 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-775 | Optimum (Lightpath) | VoIP |
| 631-776 | Verizon New York | Landline |
| 631-777 | Verizon New York | Landline |
| 631-778 | Verizon Business (MCImetro) | Landline |
| 631-779 | Csc Voice | Landline |
| 631-780 | Verizon Business (MCImetro) | Landline |
| 631-781 | Verizon New York | Landline |
| 631-782 | Windstream (Paetec) | Landline |
| 631-783 | Verizon New York | Landline |
| 631-784 | AT&T (Teleport Communications) | Landline |
| 631-785 | Verizon New York | Landline |
| 631-786 | Verizon Wireless | Wireless |
| 631-787 | AT&T (Teleport Communications) | Landline |
| 631-788 | Fishers Island Tel. | Landline |
| 631-789 | Verizon New York | Landline |
| 631-790 | T-Mobile (Omnipoint) | Landline |
| 631-791 | Verizon Business (MCImetro) | Landline |
| 631-792 | AT&T (Teleport Communications) | Landline |
| 631-793 | Verizon Wireless | Wireless |
| 631-794 | Windstream (Paetec) | Landline |
| 631-795 | Verizon New York | Landline |
| 631-796 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-797 | Verizon New York | Landline |
| 631-798 | Verizon New York | Landline |
| 631-799 | Verizon New York | Landline |
| 631-800 | Onvoy (Sinch) | VoIP |
| 631-801 | Optimum (Lightpath) | VoIP |
| 631-802 | Windstream (Paetec) | Landline |
| 631-803 | Optimum (Lightpath) | VoIP |
| 631-804 | Verizon Wireless | Wireless |
| 631-805 | T-Mobile (Omnipoint) | Landline |
| 631-806 | Verizon Wireless | Wireless |
| 631-807 | Verizon Wireless | Wireless |
| 631-808 | Lumen (CenturyLink) | Landline |
| 631-809 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-810 | Onvoy (Sinch) | VoIP |
| 631-812 | Windstream (Paetec) | Landline |
| 631-813 | Lumen (Level 3) | VoIP |
| 631-814 | Onvoy (Sinch) | VoIP |
| 631-815 | Lumen (Level 3) | VoIP |
| 631-816 | T-Mobile (Omnipoint) | Landline |
| 631-817 | Onvoy (Sinch) | VoIP |
| 631-818 | Optimum (Lightpath) | VoIP |
| 631-819 | Csc Wireless | Wireless |
| 631-820 | Verizon Business (MCImetro) | Landline |
| 631-821 | Verizon New York | Landline |
| 631-822 | Windstream (Paetec) | Landline |
| 631-823 | AT&T (Teleport Communications) | Landline |
| 631-824 | Windstream (Paetec) | Landline |
| 631-825 | Bandwidth.com | VoIP |
| 631-826 | Verizon New York | Landline |
| 631-827 | AT&T Mobility | Wireless |
| 631-828 | Optimum (Lightpath) | VoIP |
| 631-829 | T-Mobile (Omnipoint) | Landline |
| 631-830 | Lumen (Level 3) | VoIP |
| 631-831 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-832 | Verizon Business (MCImetro) | Landline |
| 631-833 | T-Mobile (Omnipoint) | Landline |
| 631-834 | Verizon Wireless | Wireless |
| 631-835 | AT&T Mobility | Wireless |
| 631-836 | T-Mobile (Omnipoint) | Landline |
| 631-837 | Verizon Business (MCImetro) | Landline |
| 631-838 | AT&T Mobility | Wireless |
| 631-839 | T-Mobile (Omnipoint) | Landline |
| 631-840 | Lumen (Level 3) | VoIP |
| 631-841 | Verizon New York | Landline |
| 631-842 | Verizon New York | Landline |
| 631-843 | Verizon New York | Landline |
| 631-844 | Verizon New York | Landline |
| 631-845 | Verizon New York | Landline |
| 631-846 | Optimum (Lightpath) | VoIP |
| 631-847 | Verizon New York | Landline |
| 631-848 | Verizon Wireless | Wireless |
| 631-849 | Optimum (Lightpath) | VoIP |
| 631-850 | Verizon Business (MCImetro) | Landline |
| 631-851 | Verizon New York | Landline |
| 631-852 | Verizon New York | Landline |
| 631-853 | Verizon New York | Landline |
| 631-854 | Verizon New York | Landline |
| 631-855 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-856 | Csc Voice | Landline |
| 631-857 | Verizon Business (MCImetro) | Landline |
| 631-858 | Verizon New York | Landline |
| 631-859 | Verizon New York | Landline |
| 631-860 | Verizon Business (MCImetro) | Landline |
| 631-861 | Verizon Business (MCImetro) | Landline |
| 631-862 | Verizon New York | Landline |
| 631-863 | Verizon New York | Landline |
| 631-864 | Verizon New York | Landline |
| 631-865 | Lumen (Level 3) | VoIP |
| 631-866 | AT&T (Teleport Communications) | Landline |
| 631-867 | Lumen (Level 3) | VoIP |
| 631-868 | Optimum (Lightpath) | VoIP |
| 631-869 | Verizon Business (MCImetro) | Landline |
| 631-870 | Windstream (Paetec) | Landline |
| 631-871 | AT&T Mobility | Wireless |
| 631-872 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-873 | Verizon Wireless | Wireless |
| 631-874 | Verizon New York | Landline |
| 631-875 | AT&T Mobility | Wireless |
| 631-876 | Lumen (Level 3) | VoIP |
| 631-877 | T-Mobile (Omnipoint) | Landline |
| 631-878 | Verizon New York | Landline |
| 631-879 | Verizon Business (MCImetro) | Landline |
| 631-880 | AT&T Mobility | Wireless |
| 631-881 | AT&T Local | Landline |
| 631-882 | T-Mobile (Omnipoint) | Landline |
| 631-883 | Verizon Business (MCImetro) | Landline |
| 631-884 | Verizon New York | Landline |
| 631-885 | T-Mobile (Omnipoint) | Landline |
| 631-886 | Optimum (Lightpath) | VoIP |
| 631-887 | Windstream (Paetec) | Landline |
| 631-888 | Verizon New York | Landline |
| 631-889 | T-Mobile (Omnipoint) | Landline |
| 631-890 | Verizon New York | Landline |
| 631-891 | Windstream (Paetec) | Landline |
| 631-892 | Verizon Business (MCImetro) | Landline |
| 631-893 | Verizon New York | Landline |
| 631-894 | AT&T (Teleport Communications) | Landline |
| 631-895 | Onvoy (Sinch) | VoIP |
| 631-896 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-897 | AT&T Mobility | Wireless |
| 631-898 | Verizon New York | Landline |
| 631-899 | Lumen (Level 3) | VoIP |
| 631-900 | Onvoy (Sinch) | VoIP |
| 631-901 | T-Mobile (Omnipoint) | Landline |
| 631-902 | AT&T Mobility | Wireless |
| 631-903 | AT&T Mobility | Wireless |
| 631-904 | Verizon New York | Landline |
| 631-905 | Verizon New York | Landline |
| 631-906 | T-Mobile (Omnipoint) | Landline |
| 631-907 | Verizon New York | Landline |
| 631-908 | Csc Voice | Landline |
| 631-909 | Optimum (Lightpath) | VoIP |
| 631-910 | XO (Verizon) | Landline |
| 631-912 | Verizon New York | Landline |
| 631-913 | Verizon Business (MCImetro) | Landline |
| 631-914 | AT&T Mobility | Wireless |
| 631-915 | American Network | Landline |
| 631-916 | Telnyx | Landline |
| 631-918 | AT&T (Teleport Communications) | Landline |
| 631-919 | Onvoy (Sinch) | VoIP |
| 631-920 | Optimum (Lightpath) | VoIP |
| 631-921 | Verizon Wireless | Wireless |
| 631-922 | T-Mobile (Omnipoint) | Landline |
| 631-923 | AT&T Local | Landline |
| 631-924 | Verizon New York | Landline |
| 631-925 | Lumen (Level 3) | VoIP |
| 631-926 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-927 | AT&T Local | Landline |
| 631-928 | Verizon New York | Landline |
| 631-929 | Verizon New York | Landline |
| 631-930 | Windstream (Paetec) | Landline |
| 631-931 | Wide Voice | Landline |
| 631-932 | Verizon New York | Landline |
| 631-933 | T-Mobile (Omnipoint) | Landline |
| 631-934 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-935 | AT&T Mobility | Wireless |
| 631-937 | Csc Voice | Landline |
| 631-938 | Lumen (Level 3) | VoIP |
| 631-939 | Metro by T-Mobile (MetroPCS) | Wireless |
| 631-940 | Optimum (Lightpath) | VoIP |
| 631-941 | Verizon New York | Landline |
| 631-942 | Verizon Wireless | Wireless |
| 631-943 | T-Mobile (Omnipoint) | Landline |
| 631-944 | Windstream (Paetec) | Landline |
| 631-945 | Onvoy (Sinch) | VoIP |
| 631-946 | AT&T Mobility | Wireless |
| 631-947 | Verizon Business (MCImetro) | Landline |
| 631-948 | T-Mobile (Omnipoint) | Landline |
| 631-949 | T-Mobile (Omnipoint) | Landline |
| 631-951 | Verizon New York | Landline |
| 631-952 | Verizon New York | Landline |
| 631-953 | Verizon New York | Landline |
| 631-954 | Bandwidth.com | VoIP |
| 631-955 | Verizon New York | Landline |
| 631-956 | Verizon New York | Landline |
| 631-957 | Verizon New York | Landline |
| 631-960 | AT&T (Teleport Communications) | Landline |
| 631-961 | Lumen (Level 3) | VoIP |
| 631-962 | Verizon Business (MCImetro) | Landline |
| 631-963 | Verizon Business (MCImetro) | Landline |
| 631-964 | Verizon Business (MCImetro) | Landline |
| 631-965 | AT&T Mobility | Wireless |
| 631-966 | FracTEL | Landline |
| 631-967 | Windstream (Paetec) | Landline |
| 631-968 | Verizon New York | Landline |
| 631-969 | Verizon New York | Landline |
| 631-970 | Onvoy (Sinch) | VoIP |
| 631-971 | Windstream (Paetec) | Landline |
| 631-972 | Lumen (Level 3) | VoIP |
| 631-973 | AT&T (Teleport Communications) | Landline |
| 631-974 | T-Mobile (Omnipoint) | Landline |
| 631-975 | Onvoy (Sinch) | VoIP |
| 631-977 | Onvoy (Sinch) | VoIP |
| 631-978 | Verizon Business (MCImetro) | Landline |
| 631-979 | Verizon New York | Landline |
| 631-980 | Onvoy (Sinch) | VoIP |
| 631-981 | Verizon New York | Landline |
| 631-982 | Verizon Business (MCImetro) | Landline |
| 631-983 | Verizon Business (MCImetro) | Landline |
| 631-984 | Csc Wireless | Wireless |
| 631-985 | Onvoy (Sinch) | VoIP |
| 631-986 | Onvoy (Sinch) | VoIP |
| 631-987 | Verizon Wireless | Wireless |
| 631-988 | AT&T Mobility | Wireless |
| 631-989 | Onvoy Spectrum (Sinch) | VoIP |
| 631-990 | Airus | Landline |
| 631-991 | AT&T (Teleport Communications) | Landline |
| 631-992 | Optimum (Lightpath) | VoIP |
| 631-993 | Verizon Business (MCImetro) | Landline |
| 631-994 | AT&T Mobility | Wireless |
| 631-995 | Verizon Business (MCImetro) | Landline |
| 631-996 | Optimum (Lightpath) | VoIP |
| 631-997 | AT&T Mobility | Wireless |
| 631-998 | Optimum (Lightpath) | VoIP |
| 631-999 | Yorkstream Communications | Landline |
Line type reflects the registry assignment; ported numbers can differ. Unknown 631 number calling? ActiveArmor® screens it before you ever look it up.
Cities & Communities in and around Area Code 631
Communities the 631 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 |
|---|---|---|
| Amityville | 11701, 11726, 11762 | Internet Air |
| Babylon | 11795, 11704, 11757 | Internet Air |
| Bay Shore | 11718, 11706, 11751 | Internet Air |
| Bayport | 11705, 11715, 11782 | Internet Air |
| Bellport | 11713, 11719, 11772 | Internet Air |
| Blue Point | 11715, 11705, 11782 | Internet Air |
| Bohemia | 11716, 11752, 11779 | Internet Air |
| Brentwood | 11717, 11722, 11788 | Internet Air |
| Bridgehampton | 11932, 11962, 11976 | Internet Air |
| Brightwaters | 11718, 11706, 11795 | Internet Air |
| Brookhaven | 11719, 11713, 11967 | Internet Air |
| Calverton | 11933, 11792, 11949 | Internet Air |
| Carle Place | 11514, 11501, 11596 | Internet Air |
| Center Moriches | 11934, 11955, 11940 | Internet Air |
| Centereach | 11720, 11755, 11784 | Internet Air |
| Centerport | 11721, 11768, 11740 | Internet Air |
| Central Islip | 11722, 11749, 11752 | Internet Air |
| Cold Spring Harbor | 11724, 11743, 11797 | Internet Air |
| Commack | 11725, 11731, 11754 | Internet Air |
| Copiague | 11726, 11701, 11757 | Internet Air |
| Coram | 11727, 11784, 11953 | Internet Air |
| Cutchogue | 11935, 11958, 11956 | Internet Air |
| Deer Park | 11729, 11703, 11798 | Internet Air |
| East Islip | 11730, 11751, 11739 | Internet Air |
| East Marion | 11939, 11944, 11965 | Internet Air |
| East Moriches | 11940, 11934, 11941 | Internet Air |
| East Northport | 11731, 11740, 11721 | Internet Air |
| East Quogue | 11942, 11959, 11946 | Internet Air |
| East Setauket | 11794, 11733, 11790 | Internet Air |
| Easthampton | — | Check address |
| Eastport | 11941, 11972, 11940 | Internet Air |
| Farmingdale | 11735, 11804, 11714 | Internet Air |
| Farmingville | 11738, 11742, 11784 | Internet Air |
| Floral Park | 11001, 11426, 11003 | Internet Air |
| Freeport | 11520, 11510, 11566 | Internet Air |
| Garden City | 11530, 11501, 11550 | Internet Air |
| Great Neck | 11023, 11024, 11021 | Internet Air |
| Great River | 11739, 11730, 11751 | Internet Air |
| Greenlawn | 11740, 11731, 11721 | Internet Air |
| Greenport | 11944, 11939, 11965 | Internet Air |
| Hampton Bays | 11946, 11942, 11968 | Internet Air |
| Hauppauge | 11788, 11787, 11749 | Internet Air |
| Hempstead | 11550, 11553, 11549 | Internet Air |
| Holbrook | 11741, 11742, 11779 | Internet Air |
| Holtsville | 11742, 11738, 11741 | Internet Air |
| Huntington | 11743, 11740, 11721 | Internet Air |
| Huntington Station | 11740, 11743, 11724 | Internet Air |
| Islandia | 11749, 11722, 11788 | Internet Air |
| Islip | 11751, 11730, 11706 | Internet Air |
| Islip Terrace | 11752, 11730, 11751 | Internet Air |
| Kings Park | 11754, 11787, 11725 | Internet Air |
| Lake Grove | 11755, 11767, 11720 | Internet Air |
| Laurel | 11948, 11970, 11952 | Internet Air |
| Levittown | 11756, 11714, 11554 | Internet Air |
| Lindenhurst | 11757, 11726, 11704 | Internet Air |
| Manorville | 11949, 11955, 11940 | Internet Air |
| Massapequa | 11783, 11758, 11762 | Internet Air |
| Mastic | 11950, 11955, 11967 | Internet Air |
| Mastic Beach | 11951, 11950, 11967 | Internet Air |
| Mattituck | 11952, 11935, 11948 | Internet Air |
| Medford | 11763, 11738, 11742 | Internet Air |
| Melville | 11747, 11798, 11804 | Internet Air |
| Merrick | 11566, 11710, 11520 | Internet Air |
| Middle Island | 11953, 11764, 11727 | Internet Air |
| Miller Place | 11766, 11764, 11789 | Internet Air |
| Montauk | 11954 | Internet Air |
| Moriches | 11955, 11950, 11934 | Internet Air |
| Mount Sinai | 11766, 11776, 11764 | Internet Air |
| Nesconset | 11767, 11755, 11749 | Internet Air |
| New York | 11213, 11225, 11203 | Internet Air |
| North Babylon | 11703, 11729, 11704 | Internet Air |
| North Merrick | 11575, 11710, 11566 | Check address |
| Northport | 11768, 11721, 11740 | Internet Air |
| Oakdale | 11769, 11796, 11739 | Internet Air |
| Ocean Beach | 11770, 11739, 11730 | Internet Air |
| Old Westbury | 11568, 11548, 11577 | Internet Air |
| Orient | 11939, 11965, 11944 | Internet Air |
| Oyster Bay | 11771, 11765, 11732 | Internet Air |
| Patchogue | 11715, 11772, 11705 | Internet Air |
| Peconic | 11958, 11935, 11971 | Internet Air |
| Port Jefferson | 11777, 11766, 11776 | Internet Air |
| Port Jefferson Station | 11776, 11777, 11766 | Internet Air |
| Ridge | 11961, 11973, 11786 | Internet Air |
| Riverhead | 11901, 11931, 11933 | Internet Air |
| Rocky Point | 11778, 11764, 11789 | Internet Air |
| Ronkonkoma | 11779, 11716, 11749 | Internet Air |
| Roosevelt | 11575, 11566, 11553 | Internet Air |
| Sag Harbor | 11963, 11975, 11964 | Internet Air |
| Sayville | 11782, 11796, 11705 | Internet Air |
| Seaford | 11783, 11793, 11758 | Internet Air |
| Selden | 11784, 11720, 11727 | Internet Air |
| Shirley | 11967, 11950, 11719 | Internet Air |
| Shoreham | 11786, 11778, 11789 | Internet Air |
| Smithtown | 11787, 11754, 11788 | Internet Air |
| Sound Beach | 11789, 11778, 11764 | Internet Air |
| Southampton | 11968, 11976, 11946 | Internet Air |
| Southold | 11971, 11958, 11944 | Internet Air |
| Stony Brook | 11790, 11794, 11780 | Internet Air |
| Syosset | 11791, 11797, 11732 | Internet Air |
| Wading River | 11792, 11933, 11786 | Internet Air |
| Wantagh | 11783, 11710, 11793 | Internet Air |
| Water Mill | 11976, 11932, 11962 | Internet Air |
| West Babylon | 11704, 11757, 11703 | Internet Air |
| West Hempstead | 11552, 11010, 11550 | Internet Air |
| West Islip | 11795, 11718, 11703 | Internet Air |
| West Sayville | 11796, 11769, 11782 | Internet Air |
| Westbury | 11590, 11514, 11568 | Internet Air |
| Westhampton | 11977, 11978, 11972 | Internet Air |
| Westhampton Beach | 11978, 11977, 11959 | Internet Air |
| Wyandanch | 11798, 11729, 11703 | Internet Air |
| Yaphank | 11980, 11763, 11973 | Internet Air |
City list: AT&T service-area records and the public numbering registry. Key ZIPs: U.S. Census data for each community. Internet type: AT&T eligibility data, June 2026. Availability is always confirmed at your exact address.
631 Area Code Map
Area code 631 serves Brentwood and nearby communities in NY.
↓ Printable PDF
Open the printable 631 map (PDF) · All New York area codes · Home internet in Brentwood
Counties Covered by the 631 Area Code
Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023.
The 631, explained
Area Code 631: More Than a Number in Brentwood
In Brentwood, the 631 is more than digits on a caller ID. It arrived in 1999, layered onto the 516 region, and it has meant Brentwood and surrounding communities ever since — 782 carrier prefixes keep its lines busy today, and an established 631 number still says you’ve been here a while.
The map tells its own story: Brentwood and surrounding communities, with 934 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 631 came first.
Keeping a 631 matters here. An existing 631 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 934 instead — one more reason locals hold on to theirs.
Need a new local number? Shop plans Keep your 631: bring it to AT&TInternet, wireless & stores in the 631
AT&T Home Internet in Area Code 631
AT&T home internet serves communities across area code 631, 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 631? AT&T Business Internet is available at many addresses.
Fiber install day in the 631Check your address ›
Moving to Area Code 631?
Set up home internet in area code 631 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 631 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 631
AT&T’s 5G network covers most of area code 631. ActiveArmor® spam blocking is included with every unlimited plan, your 631 number stays yours, and great cell phone deals in Brentwood are a tap away.
5G across the 631ActiveArmor® includedKeep your 631 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 631 number? Ask when you activate a line: the 631 shares its territory with 934, so new lines may draw one of those codes, and porting an existing 631 number keeps it yours.
Stay connected across BrentwoodShop wireless plans ›
AT&T Stores in Area Code 631
Looking for cell phone stores in area code 631? These stores answer on 631 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 BrentwoodFind your store ›
All AT&T Stores with 631 Numbers
Every store below answers on a 631 number. Tap any number to call.
23 AT&T stores with 631 numbers
International Calling from Area Code 631
Calling abroad from area code 631? 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 631 calls most:Dominican RepublicChinaJamaicaMexicoEcuador
Top places of birth among foreign-born residents of the 631’s counties, U.S. Census Bureau ACS 2023.
Calling abroad from a 631 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.
Brentwood calls the worldSee international plans ›
631 Area Code Quick Facts & Dialing
StateNew York
Time zoneEastern
Overlays934share this territory
Established1999added to the 516 region
Dialing10 digitsrequired
Toll-free?Nogeographic code
Population4.39Mcounties served, Census 2023
Largest cityBrentwood+110 more ›
How to dial a 631 number
| Scenario | Format | Example |
|---|---|---|
| Local call (within the region) | 631 + 7-digit number | (631) 555-0100 |
| Long distance (within the U.S.) | 1 + 631 + 7-digit number | 1 (631) 555-0100 |
| Calling 631 from another country | +1 631 + 7-digit number | +1 631 555 0100 |
| From a mobile phone | (631) + 7-digit number | (631) 555-0100 |
A Short History of Area Code 631
Added in 1999 to the 516 region, the 631 serves Brentwood and surrounding communities.
1999Added to the 516 region
2016First overlay: 934
Area Code 631 vs the related codes
| Code | Added | Type | Where it works |
|---|---|---|---|
| 631 | 1999 | Overlay | Brentwood and surrounding communities |
| 934 | 2016 | Overlay | Same territory as the 631 |
Same rates, same local dialing: a number from any code in the region works exactly like a 631.
Nearby & Related Area Codes
Browse area codes by state: New York (23) · California (41) · Texas (29) · Florida (23) · all 50 states ›
Area Code 631 FAQ
What area code is 631?
631 is the area code for Brentwood, New York and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 631?
Area code 631 serves Brentwood, New York and nearby communities including Babylon, Bay Shore, Bayport. The full city list is in the cities table above.
Why did I get a text message from a 631 number?
The most common 631 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 631?
A 631 number usually means Brentwood 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 631?
Eastern time. The live local time is shown at the top of this page.
Why am I getting calls from 631 numbers?
631 is an active, legitimate New York 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 631 prefixes are drawing complaints right now.
Is 631 a toll-free number?
No. 631 is a geographic area code tied to Brentwood, New York. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
What’s the difference between 631 and 934?
934 is an overlay of 631: both cover the same Brentwood area, and calls between them are local. New lines may get either code.
Which cities use area code 631?
The largest communities include Amityville, Babylon, Bay Shore, Bayport, Bellport. The full list is in the cities table above.
Does AT&T offer service in the 631?
Yes: home internet, wireless and retail stores across the 631. Availability is checked address by address.
Can I still get a 631 number?
Yes. Carriers in Brentwood and across the 631 still issue 631 numbers on new lines, and you can port an existing 631 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.
Can I keep my 631 number if I move?
Yes. Phone numbers are portable: your 631 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.
