Area code 603 - Wikipedia
Area code 603 is the sole telephone area code in the North American Numbering Plan (NANP) for the U.S. state of New Hampshire. It was assigned as one of the 86 original North American …
603 Area Code - Location map, time zone, and phone lookup
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 - 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.
603 area code — information, time zone, map
6 days ago · 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, New Hampshire, United States - Location map, …
603 Area Code in New Hampshire, United States Description Area code 603 is the sole area code for the entire state of New Hampshire.
Area Code 603 Reverse Lookup - New Hampshire | ThisNumber
The 603 area code is a telephone area code serving all of New Hampshire. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 603 area code) below and …
603 Area Code - National Phone Number Registry
Dec 31, 2025 · Area code 603 is located in New Hampshire. Get area code location and dialing plans for all phone prefixes in area code 603.
Area Code 603 - New Hampshire - Zipdatamaps
List of ZIP Codes in Area Code 603 ... List of Counties in Area Code 603 ... List of Major Cities/Towns in Area Code 603
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.