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Area code 603 is the sole area code for the U.S. state of New Hampshire in the North American Numbering Plan (NANP). It was created as one of the original 86 numbering plan areas in October 1947.
United States Cellular Corp. - New Hampshire. Browse area code 603 phone numbers, prefixes and exchanges. The 603 area code serves Manchester, Hooksett, Portsmouth, Merrimack, Derry, covering 145 ZIP codes in 15 counties.
Most current and detailed information for New Hampshire area codes and telephone prefixes / exchanges and associated cities and towns.
Below are the list New Hampshire state area codes by city and county listed by alphabetical order. Find New Hampshire area codes by city or lookup which cities belong to an area code. Area code 603 covers the entire state of New Hampshire.
There are 1 active area codes in the state of New Hampshire. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in New Hampshire. The first table below shows the most populated cities in New Hampshire with the area codes listed next to them.
New Hampshire (NH) Area Code 603 covers 10 Counties. Area Code 603 covers 163 Cities. Area Code 603 Has 809 Exchanges. * Records indicated with a strike-through are exchanges which are available for assignment (but not in use) or otherwise inactive. Area Code 603 Demographic Information.
12 Φεβ 2020 · To find phone numbers, area code information, and area code maps, see our White Pages.
