Area Code 603 Location - New Hampshire

The reverse lookup USA database contains information such as name, address, location and carrier for most of the USA phone numbers.

Area Code 603 Map and Location

Area Code 603, New Hampshire Cities, Neighborhoods and Local Features

  • East Concord
  • Derry
  • Dover
  • Keene
  • Manchester
  • Nashua
  • Portsmouth
  • Rochester

Area code 603 currently contains valid local exchanges. Click an exchange below to get more information about the supported thousands digit of the phone number.