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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.
Area Code 603 - New Hampshire. Cities in Area Code 603.
This page contains every detail in searching for phone numbers via the area code 603. Enter this page to get more details about the area code 603 such as prefixes, cities, ZIP codes, and more.
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
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.
