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 …
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
Mar 9, 2025 · 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 ☎️ Location, Time Zone, & Phone Lookup - Spokeo
Area Code 603 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,519,512 unique phone numbers and 794,512 individuals near the cities of Manchester, …
603 Area Code - Reverse Phone Lookup in NH - USPhoneBook
Where is Area Code 603? Area code (603) is in the state of NH. Below, are the major cities in the area code (603).
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.
603 Area Code - National Phone Number Registry
6 days ago · 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 Reverse Lookup - New Hampshire | ThisNumber
Our reverse phone lookup will analyze the three-digit prefix of any 603 area code phone number and will show which telecommunications company and rate center it was initially assigned to.