Lookup › Area code 631
631 Area Code — Suffolk, New York
Area code 631 serves Suffolk, NY.
Most looked-up 631 numbers
- 631-693-4674
- 631-987-3838
- 631-303-3751
- 631-987-0105
- 631-987-5922
- 631-365-1125
- 631-626-6670
- 631-250-1391
- 631-270-6239
- 631-818-3725
- 631-639-5830
- 631-595-6055
Phone prefixes in 631
- 631-662
- 631-371
- 631-724
- 631-315
- 631-296
- 631-799
- 631-631
- 631-774
- 631-208
- 631-906
- 631-402
- 631-489
- 631-302
- 631-295
- 631-869
- 631-859
- 631-987
- 631-551
- 631-609
- 631-205
- 631-305
- 631-996
- 631-544
- 631-238
- 631-654
- 631-335
- 631-257
- 631-484
- 631-518
- 631-495
- 631-660
- 631-903
- 631-490
- 631-595
- 631-405
- 631-384
- 631-725
- 631-663
- 631-354
- 631-316
- 631-265
- 631-292
- 631-310
- 631-615
- 631-946
- 631-988
- 631-690
- 631-793
- 631-523
- 631-926
- 631-455
- 631-275
- 631-392
- 631-719
- 631-479
- 631-824
- 631-201
- 631-379
- 631-250
- 631-940
- 631-923
- 631-450
- 631-220
- 631-326
- 631-387
- 631-879
- 631-294
- 631-875
- 631-317
- 631-891
- 631-621
- 631-868
- 631-693
- 631-203
- 631-901
- 631-515
- 631-839
- 631-334
- 631-365
- 631-303
- 631-629
- 631-202
- 631-720
- 631-357
- 631-827
- 631-553
- 631-846
- 631-836
- 631-291
- 631-331
- 631-888
- 631-620
- 631-818
- 631-939
- 631-605
- 631-525
- 631-366
- 631-949
- 631-898
- 631-464
- 631-314
- 631-318
- 631-270
- 631-258
- 631-944
- 631-948
- 631-877
- 631-900
- 631-894
- 631-735
- 631-594
- 631-659
- 631-643
- 631-438
- 631-665
- 631-710
- 631-579
- 631-487
- 631-428
- 631-478
- 631-639
- 631-882
- 631-778
- 631-761
- 631-228
- 631-230
- 631-653
- 631-356
- 631-637
- 631-880
- 631-431
- 631-263
- 631-873
- 631-578
- 631-813
- 631-803
- 631-528
- 631-600
- 631-399
- 631-394
- 631-645
- 631-696
- 631-599
- 631-559
- 631-848
- 631-954
- 631-910
- 631-626
- 631-889
- 631-235
- 631-649
- 631-828
- 631-407
- 631-447
- 631-242
Carriers serving 631
- Verizon (42 numbers)
- T-Mobile (36 numbers)
- Verizon New York, Inc. (31 numbers)
- At&t (16 numbers)
- Twilio (14 numbers)
- Cablevision Lightpath, Inc. - (9 numbers)
- Bandwidth (7 numbers)
- Peerless Network Of New York, (7 numbers)
- Ip Horizon, LLC (5 numbers)
- Onvoy, LLC NY (5 numbers)
Frequently asked questions
Where is area code 631?
Area code 631 serves Suffolk, NY.
What prefixes are in area code 631?
Phone2.io tracks 155 phone prefixes in area code 631, with carrier and spam-report data on individual numbers.
More about area code 631
Area code 631 overview, history, and local numbers · Get a NY phone number
Last updated: March 9, 2026