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Where is area code 603?
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What is a 603 code?
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 ...
603 is an area code in New Hampshire, US, serving Manchester and other cities and counties. Learn about its location, time zone, map and daylight saving time.
- UTC/GMT -4:00 hours
- EDT
- UTC/GMT -5:00 hours
May 1, 2024 · 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, Merrimack County, and Strafford County.
Wirefly provides information about area code 603, which serves New Hampshire since 1947. Find out the cities, ZIP codes, carriers, and usage types for this area code.
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)
Mar 13, 2024 · The state's Senate passed a bill last week to extend the 603 area code, one of the original 86 codes launched in 1947. The legislation aims to prevent New Hampshire from getting a second area code and diluting its brand and identity.
Area code 603 was officially put into service. Counties in New Hampshire within area code 603 include: Belknap County, Carroll County, Cheshire County, Coos County, Grafton County, Hillsborough County, Merrimack County, Rockingham County, Strafford County, and Sullivan County. Major cities or places in New Hampshire within area code 603 include:
