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603 Area Code


The 108 central offices below make up area code (603) in New Hampshire.


These exchanges encompass the following NH cities:

  • Rindge
  • Nashua
  • Center Harbor
  • Concord
  • Hanover
  • Seabrook
  • Manchester
  • North Woodstock
  • Bristol
  • Sunapee
  • Melvin Village
  • Fryeburg
  • Charlestown
  • Bethlehem
  • Derry
  • Salem
  • Suncook
  • Milford
  • Plymouth
  • Newport
  • Portsmouth
  • Hampton
  • Dover
  • Canterbury
  • Littleton
  • Salisbury
  • Nutting Lake
  • Laconia
  • Merrimack
  • New Durham
  • Brattleboro
  • Keene
  • Pelham
  • Washington
  • Lisbon
  • Deerfield
  • Goffstown
  • White River Junction
  • Andover
  • Walpole
  • Colebrook
  • Tilton
  • Somersworth
  • Rochester
  • Kingston
  • Barrington
  • Peterborough
  • Durham
  • North Haverhill
  • Tamworth
  • Greenfield
  • Hillsborough
  • Northwood
  • New Boston
  • Dublin
  • Marlow
  • Exeter

Learn more: Area code 603 at Wikipedia



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