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View the 603 area code map in New Hampshire. Find the name of any phone number in area code 603. ... 313 - Detroit, MI 314 - St. Louis, MO 315 - Syracuse, NY
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. In 2011, area code 603 was said to be nearing exhaustion and a second area code for New Hampshire was expected to be activated by 2013 as a statewide ...
PrefixLocationCountyIntroduced200August 16, 2011203May 14, 2003204October 13, 1999205July 22, 19993 days ago · Find out where 603 area code zone from, which states, counties and cities it covers. ... New Hampshire Area Codes. 603. 24 timezones tz. e.g. India, London, Japan ...
- UTC/GMT -4:00 hours
- UTC/GMT -5:00 hours
- +1:00 hour
- EDT
603 Area Code. 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.
NxxCityUsageCompany Name200NewmarketLandlineComcast Phone Of New Hampshire, Llc - Nh203ManchesterWirelessNew Cingular Wireless Pcs, Llc - Dc204NashuaWirelessUnited States Cellular Corp. - New ...205PortsmouthWirelessOmnipoint Miami E License, Llc- New Hampshire
- Eastern (GMT -05:00)
Includes area code listings of all Michigan area codes with corresponding cities. ... 313 - Detroit, MI 314 - St. Louis, MO ... 603 - New Hampshire 604 - Vancouver, BC
Area code 603 is located in New Hampshire. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.
