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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.
1 dzień 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 out the cities, ZIP codes, and carriers served by area code 603 in New Hampshire. See the map of 603 area code coverage and the dialing pattern for local calls.
603 Area code map Where is the area code 603 located in New Hampshire, United States? Area Code 603 coverage is shown in green.
1 paź 2024 · 603 Area Code located in New Hampshire, including 163 cities, 10 counties, 1 time zone, map, Census demographics, and 726 active prefixes.
Area code 603 is located in New Hampshire and includes Manchester. View the 603 area code map, major cities, location, timezone and more on TeraCodes.com.
Profile and Interactive Map for Area Code 603 in New Hampshire - November, 2024.
