631 Area Code Data

Area code 631 has a total estimated population of 1,511,098 people and covers the following localities in New York:

  • Babylon
  • Bay Shore
  • Brentwood
  • Calverton
  • Commack
  • Cutchogue
  • Deer Park
  • East Hampton
  • East Northport
  • Farmingdale
  • Greenport
  • Hampton Bays
  • Huntington Station
  • Lindenhurst
  • Massapequa
  • Mastic
  • Montauk
  • New York
  • Ocean Beach
  • Patchogue
  • Port Jefferson Station
  • Riverhead
  • Ronkonkoma
  • Sag Harbor
  • Sayville
  • Seaford
  • Selden
  • Shoreham
  • Smithtown
  • Southampton
  • Wantagh
  • Westhampton Beach
  • Yaphank

The (631) area code is comprised of 670 unique phone exchanges: