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Find 603 area code details including city, time zone, and map. Lookup area code 603 phone number, name, and location.
2 days ago · 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
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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.
PrefixLocationCountyIntroduced200August 16, 2011203May 14, 2003204October 13, 1999205July 22, 1999May 1, 2024 · 603 Area Code located in New Hampshire, including 163 cities, 10 counties, 1 time zone, map, Census demographics, and 726 active prefixes.
603 Area code map. 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.
Lookup information on Area Code 603 - get demographic, NPA NXX, and other data by area code
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 6,785,609 unique phone numbers and 920,586 individuals near the cities of Manchester, Nashua, and Concord.
