Area Code 631 Phone Directory
Phone Numbers that start with (631) XXX-XXXX
Information for Area Code 631
- State: NY
- Largest City: ISLIP TERRACE
Where is Area Code 631?
Area code (631) is in the state of NY. Below, are the major cities in the area code (631).Area Codes Starting with 6
- (600) xxx-xxxx
- (601) xxx-xxxx
- (602) xxx-xxxx
- (603) xxx-xxxx
- (604) xxx-xxxx
- (605) xxx-xxxx
- (606) xxx-xxxx
- (607) xxx-xxxx
- (608) xxx-xxxx
- (609) xxx-xxxx
- (610) xxx-xxxx
- (612) xxx-xxxx
- (613) xxx-xxxx
- (614) xxx-xxxx
- (615) xxx-xxxx
- (616) xxx-xxxx
- (617) xxx-xxxx
- (618) xxx-xxxx
- (619) xxx-xxxx
- (620) xxx-xxxx
- (621) xxx-xxxx
- (622) xxx-xxxx
- (623) xxx-xxxx
- (624) xxx-xxxx
- (625) xxx-xxxx
Major Cities in Area Code 631
- Rank:294778
- Bay Shore, NY
- Rank:225709
- Ronkonkoma, NY
- Rank:222659
- Brentwood, NY
- Rank:208168
- New York, NY
- Rank:199949
- Lindenhurst, NY
- Rank:199118
- West Babylon, NY
- Rank:185940
- Huntington, NY
- Rank:176089
- Smithtown, NY
- Rank:171755
- Huntington Station, NY
- Rank:169461
- Brooklyn, NY
- Rank:165540
- Coram, NY
- Rank:161137
- Central Islip, NY
- Rank:158421
- Holbrook, NY
- Rank:154044
- Patchogue, NY
- Rank:143071
- Amityville, NY
- Rank:141609
- Deer Park, NY
- Rank:135798
- Medford, NY
- Rank:133734
- Selden, NY
- Rank:132817
- Commack, NY
- Rank:130411
- East Northport, NY
Zip codes in Area Code 631
- 00501
- 00544
- 11701
- 11702
- 11703
- 11704
- 11705
- 11706
- 11707
- 11713
- 11715
- 11716
- 11717
- 11718
- 11719
- 11720
- 11721
- 11722
- 11724
- 11725
- 11726