- 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 - Location map, time zone, and phone lookup
Area Code 603 Map 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 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 — 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
- 603 Area Code - Map, Phone Lookup, Time Zone - Wirefly
Find 603 area code details including city, time zone, and map Lookup area code 603 phone number, name, and location
- New Hampshire Area Code 603 Reverse Phone Number Lookup
New Hampshire reverse lookup of phone numbers Free Search of area code 603 and mobile numbers, how to call New Hampshire, USA, zip codes, local time
- 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
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