Area Code 631
631 area code is being used for dialing/telecommunication purposes in New York, covering 25 major cities and only one county, according to (NANP) North American Numbering Plan for 3-digit Numbering Plan Area (NPA) code. All the areas using NPA code 631 is part of EST (Eastern Standard Time) timezone.
631 Area Code Covers 25 Cities
Check this below table to know 25 major cities (having more than 20,000 population) in New York using numbering plan area code 631 for dialing/telecommunication purposes.
| City | ZIP Codes | Population |
|---|---|---|
| Bay Shore, NY | 1 | 30,553 |
| Brentwood, NY | 1 | 65,042 |
| Centereach, NY | 1 | 31,889 |
| Central Islip, NY | 2 | 36,519 |
| Commack, NY | 1 | 35,770 |
| Copiague, NY | 1 | 23,442 |
| Coram, NY | 1 | 42,169 |
| Deer Park, NY | 1 | 27,304 |
| East Northport, NY | 1 | 20,287 |
| Hauppauge, NY | 1 | 20,401 |
| Holbrook, NY | 1 | 27,220 |
| Huntington Station, NY | 2 | 34,588 |
| Medford, NY | 1 | 24,738 |
| Selden, NY | 1 | 21,759 |
| Shirley, NY | 1 | 26,498 |
| Smithtown, NY | 1 | 25,588 |
| West Babylon, NY | 3 | 42,783 |
| West Islip, NY | 1 | 27,192 |
only one County Using 631 as Area Code
631 area code is being used in only one county of New York for dialing/telecommunication purposes.
59 More NPA Codes Related to Area Code 631
1 or more of these 59 NPA codes are being used in the same or adjacent states of New York in the United States.
- 201 Area Code
- 203 Area Code
- 212 Area Code
- 215 Area Code
- 223 Area Code
- 256 Area Code
- 267 Area Code
- 272 Area Code
- 315 Area Code
- 332 Area Code
- 339 Area Code
- 347 Area Code
- 351 Area Code
- 412 Area Code
- 413 Area Code
- 442 Area Code
- 445 Area Code
- 475 Area Code
- 484 Area Code
- 508 Area Code
- 516 Area Code
- 518 Area Code
- 551 Area Code
- 570 Area Code
- 585 Area Code
- 607 Area Code
- 609 Area Code
- 610 Area Code
- 617 Area Code
- 640 Area Code
- 646 Area Code
- 680 Area Code
- 714 Area Code
- 716 Area Code
- 717 Area Code
- 718 Area Code
- 724 Area Code
- 732 Area Code
- 774 Area Code
- 781 Area Code
- 802 Area Code
- 814 Area Code
- 838 Area Code
- 845 Area Code
- 848 Area Code
- 856 Area Code
- 857 Area Code
- 860 Area Code
- 862 Area Code
- 863 Area Code
- 878 Area Code
- 908 Area Code
- 914 Area Code
- 917 Area Code
- 929 Area Code
- 934 Area Code
- 959 Area Code
- 973 Area Code
- 978 Area Code