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Lookup area code 603 details: major cities and timezone. View the 603 area code map in New Hampshire. Find the name of any phone number in area code 603.
Area code 603 in a 1956 map, covering the whole state. 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.
2 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
Find 603 area code details including city, time zone, and map. Lookup area code 603 phone number, name, and location.
Where is the area code 603 located in New Hampshire, United States? Area Code 603 coverage is shown in green. Find out 603 area code coverage, npa code 603 location.
5 dni temu · 603 Area Code located in New Hampshire, including 163 cities, 10 counties, 1 time zone, map, Census demographics, and 726 active prefixes.
Lookup information on Area Code 603 - get demographic, NPA NXX, and other data by area code
