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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.
Há 1 dia · 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
Area code 603 is an area code for New Hampshire. It was one of the first area codes created in 1947. It currently covers the entire state of New Hampshire, making it one of the longest area codes to cover the entire state without being split or overlaid.
Area code 606 is a telephone area code serving the eastern half of south-central and all of the eastern part of the Commonwealth of Kentucky. Cities and towns in the area code include Ashland, Morehead, Hazard, Middlesboro, Somerset, Stanford, London, Corbin, Greenup, Paintsville, Pikeville and Maysville.
Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay .
603 Area Code. Area code 603 serves the state of New Hampshire. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 603 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D. ZIP Codes Served By 603 Area Code. 3857. 3102. 3104. 3101. 3064. 3063. 3060. 3801. 3768.
This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP). The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA). An area code is part of a telephone number in the United States, Canada, and the Caribbean.
