603 Area Code in New Hampshire, United States Description Area code 603 is the sole area code for the entire state of New Hampshire. 603 Area Code, New Hampshire, United States - Location map, time zone ... Where is area code 603?
Area code 603 covers the entire state of New Hampshire. It is the only area code that serves the area. Area code 603 is the sole telephone area code in the North American Numbering Plan (NANP) for the U.S. state of New Hampshire.
603 united volleyball, It was assigned as one of the 86 original North American area codes in October 1947. The (603) Challenge is back from April 7-10, 2026. This is UNH’s biggest annual fundraiser in which all members of the Wildcat community are encouraged to make a gift to ANY area (s) of the university. Thanks to many generous underwriters, there are opportunities to have your gift matched or further amplified through bonus and area challenges. At the launch of the challenge there are ...
603 united volleyball, Find out where 603 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here Browse area code 603 phone numbers, prefixes and exchanges. The 603 area code serves Manchester, Hooksett, Portsmouth, Merrimack, Derry, covering 145 ZIP codes in 15 counties. 603 Area Code located in New Hampshire, including 163 cities, 10 counties, 1 time zone, map, Census demographics, and 729 active prefixes.
