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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.
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.
Find 603 area code details including city, time zone, and map. Lookup area code 603 phone number, name, and location.
Discover everything about New Hampshire's 603 area code: phone number format, NPA-NXX data, time zone, and coverage areas. Essential info for calls to central New Hampshire.
The 603 Area Code is located in the state of New Hampshire. Area Code 603 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,519,574 unique phone numbers and 920,586 individuals near the cities of Manchester, Nashua, and Concord.
5 dni temu · Area code 603 is located in New Hampshire. Get area code location and dialing plans for all phone prefixes in area code 603.
3 dni temu · 603 is an area code located in the state of New Hampshire, US. The largest city it serves is Manchester. Location, time zone and map of the 603 area code
