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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.
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.
Find 603 area code details including city, time zone, and map. Lookup area code 603 phone number, name, and location.
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
Area Code 603 - New Hampshire. Cities in Area Code 603.
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.
1 paź 2024 · Area Code 603 is located in New Hampshire. It covers 163 cities, including Manchester, Nashua, Concord, Dover, and Rochester. It also covers 10 counties, including Hillsborough County, Rockingham County, Grafton County, Merrimack County, and Strafford County.
