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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.
Below are the list New Hampshire state area codes by city and county listed by alphabetical order. Find New Hampshire area codes by city or lookup which cities belong to an area code. Area code 603 covers the entire state of New Hampshire.
Area code 603 serves the state of New Hampshire. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 603 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D.
New Hampshire area codes map gives information about all the area codes of New Hampshire state along with their counties list.
Find New Hampshire area codes by city or lookup which cities belong to an area code.
There are 1 active area codes in the state of New Hampshire. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in New Hampshire. The first table below shows the most populated cities in New Hampshire with the area codes listed next to them.
3 ημέρες πριν · 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. Local time. 4:16:40 PM, Saturday 26, October 2024 EDT. Time difference to GMT/UTC. Daylight Saving Time 2024 (Summer Time) DST starts on Sunday 10 March 2024, 02:00.
