Suffolk County Area Codes

About Suffolk County Area Codes

The county of Suffolk County, located in New York, is served by 1 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in Suffolk County include 631. The county mainly follows the America/New_York time zone.

Cities and towns served by these area codes in Suffolk County include Brentwood, Centereach, Central Islip, Commack, Copiague, Coram, Deer Park, Dix Hills, East Northport, East Patchogue, Hauppauge, Holbrook, Huntington Station, Medford, North Bay Shore, North Lindenhurst, Ronkonkoma, Selden, Shirley, Smithtown, West Babylon, West Islip.

List of Area Codes in Suffolk County, New York

The table below lists all telephone area codes used in Suffolk County, New York, along with their associated cities and time zones from this dataset.


S.N. Area Code Cities Time Zone(s)
1 631 Brentwood, Centereach, Central Islip, Commack, Copiague, Coram, Deer Park, Dix Hills, East Northport, East Patchogue, Hauppauge, Holbrook, Huntington Station, Medford, North Bay Shore, North Lindenhurst, Ronkonkoma, Selden, Shirley, Smithtown, West Babylon, West Islip America/New_York


Related Area Code Pages

Explore related area code resources on Burning Compass:

  • All area codes in New York
  • Individual area code details are available from the table above.