631 Area Code, Where is Area Code 631?

631 Area Code is part of 2 counties in the state of New York. There are around 0 cities and 173 other places such as towns, cdps and villages in the 631 area code. Area code 631 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of New York. Below you will find more info about Code and also zip codes, counties, cities and the post offices that belong to this Area Code.

Counties that Use 631 Area Code

631 Area Code covers 2 Counties

Major Cities that Use 631 Area Code

631 Area Code covers 0 Major Cities

All Places, Towns or Villages that Use 631 Area Code

631 Area Code covers 173 Towns, Villages or other places
Amagansett Amityville Aquebogue Asharoken Babylon Babylon (Town) Baiting Hollow Bay Shore Bayport Baywood Belle Terre Bellport Blue Point Bohemia Brentwood Bridgehampton Brightwaters Brookhaven Brookhaven (CDP) Calverton Center Moriches Centereach Centerport Central Islip Cold Spring Harbor Commack Copiague Coram Cutchogue Deer Park Dering Harbor Dix Hills East Farmingdale East Hampton East Hampton (Town) East Hampton North East Islip East Marion East Moriches East Northport East Patchogue East Quogue East Shoreham Eastport Eatons Neck Elwood Farmingdale Farmingville Fire Island Fishers Island Flanders Fort Salonga Gilgo Gordon Heights Great River Greenlawn Greenport Greenport West Halesite Hampton Bays Hauppauge Head of the Harbor Holbrook Holtsville Huntington Huntington (CDP) Huntington Bay Huntington Station Islandia Islip Islip (CDP) Islip Terrace Jamesport Kings Park Lake Grove Lake Ronkonkoma Laurel Laurel Hollow Lindenhurst Lloyd Harbor Manorville Mastic Mastic Beach Mattituck Medford Melville Middle Island Miller Place Montauk Moriches Mount Sinai Napeague Nesconset New Suffolk Nissequogue North Amityville North Babylon North Bay Shore North Bellport North Great River North Haven North Lindenhurst North Patchogue North Sea Northampton Northport Northville Northwest Harbor Noyack Oak Beach-Captree Oakdale Ocean Beach Old Bethpage Old Field Orient Oyster Bay Patchogue Peconic Poquott Port Jefferson Port Jefferson Station Quiogue Quogue Remsenburg-Speonk Ridge Riverhead Riverhead (CDP) Riverside Rocky Point Ronkonkoma Sag Harbor Sagaponack Saltaire Sayville Selden Setauket-East Setauket Shelter Island Shelter Island (CDP) Shelter Island Heights Shinnecock Hills Shirley Shoreham Smithtown Smithtown (CDP) Sound Beach South Farmingdale South Huntington Southampton Southampton (Town) Southold Southold (CDP) Springs St. James Stony Brook Stony Brook University Terryville Tuckahoe Village of the Branch Wading River Wainscott Water Mill West Babylon West Bay Shore West Hampton Dunes West Hills West Islip West Sayville Westhampton Westhampton Beach Wheatley Heights Woodbury Wyandanch Yaphank

Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.