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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.
Find 603 area code details including city, time zone, and map. Lookup area code 603 phone number, name, and location.
3 ημέρες πριν · 603 is an area code located in the state of New Hampshire, US. The largest city it serves is Manchester. Location, time zone and map of the 603 area code
This page contains every detail in searching for phone numbers via the area code 603. Enter this page to get more details about the area code 603 such as prefixes, cities, ZIP codes, and more.
4 Απρ 2024 · The 603 area code is the only area code serving New Hampshire, and it is currently the 4th smallest state in terms of population in the US. The use of area codes has become necessary due to the increased demand for telephone services and the limited availability of 7-digit phone numbers.
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.
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