- Area code 603 - Wikipedia
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
- 603 area code — information, time zone, map
Find out where 603 area code zone from, which states, counties and cities it covers Get the most exact information on time zones here
- Area Code 603 phone numbers - Whitepages
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, New Hampshire | USPhoneLookup
Area code 603 is one of the original 86 area codes created by AT T and Bell Labs in 1947 It covers the northeastern corner of the United States, including the states of Maine, New Hampshire, and Vermont
- 603 Area Code - USA. com™
Area code 603 is the area code for New Hampshire It is New Hampshire's only area code Cities that use 603 area code and a coverage map included as well
- 603 Area Code: Location, Time Zone Phone Lookup - NumLooker
Today, 603 is the only area code in New Hampshire It covers the entire state, with the exception of a small portion of the southeastern corner that is in the 470 area code The area code 603 is located in the Eastern Standard Time Zone This zone is five hours behind Coordinated Universal Time (UTC)
- Area Code 603 - Map, time zone, and phone lookup - CallerCenter
About area code 603: location, common spam callers, related area codes, and more Includes 603 reverse phone lookup to identify spam callers
- 603 Area Code New Hampshire: Phone Format, NPA-NXX Data Time Zone Info
Discover everything about New Hampshire's 603 area code: phone number format, NPA-NXX data, time zone, and coverage areas Essential info for calls to central New Hampshire
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