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Merrimack County Area Codes

About Merrimack County Area Codes

The county of Merrimack County, located in New Hampshire, 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 Merrimack County include 603. The county mainly follows the America/New_York time zone.

Cities and towns served by these area codes in Merrimack County include East Concord.

List of Area Codes in Merrimack County, New Hampshire

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


S.N. Area Code Cities Time Zone(s)
1 603 East Concord America/New_York


Related Area Code Pages

Explore related area code resources on Burning Compass:

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

County Area Codes in New Hampshire

  1. Cheshire County Area Codes
  2. Hillsborough County Area Codes
  3. Merrimack County Area Codes
  4. Rockingham County Area Codes
  5. Strafford County Area Codes

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