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.

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.

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 …

4 天之前 · 603 is an area code located in the state of New Hampshire, US. The largest city it serves is Manchester. Find out where 603 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here.

Lookup information on Area Code 603 - get demographic, NPA NXX, and other data by area code

Area code 603 is located in New Hampshire. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

About area code 603: location, common spam callers, related area codes, and more. Includes 603 reverse phone lookup to identify spam callers.

パナソニックの「電気衣類乾燥機 NH-D603」の概要ページです。

6 天之前 · New Hampshire - Area code 603 is currently assigned for use in New Hampshire since January 01, 1947. View all phone prefixes used in area code 603 or other area codes in New …

2025年3月1日 · 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, …