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Find out the planned dates and details of new area codes in the North American Numbering Plan (NANP) for relief of central office code exhaustion. See the list of affected NPAs, jurisdictions, projected exhaust dates and effective dates.
Find the area code for any location in North America, including the United States, Canada, and some Caribbean countries. The web page shows the numerical order, territory, date, and notes for each area code, including the overlay and split history.
The North American Numbering Plan (NANP) is a telephone numbering system for twenty-five regions in twenty countries, mainly in North America and the Caribbean. It uses the country code 1 and divides the territories into numbering plan areas (NPAs) with three-digit area codes.
Learn about the history and development of the North American Numbering Plan (NANP), which was established by AT&T in 1947 to enable direct distance dialing across the continent. The article covers the initial numbering plan areas and area codes, the expansion and changes over time, and the technical specifications and requirements.
Find the area codes for different regions or countries in North America, including the original NANP and other autonomous plans. Learn how to format and dial telephone numbers in Mexico, Greenland, and Saint Pierre and Miquelon.
Area codes 870 and 327 are telephone area codes in Arkansas, covering most of the state except for the Little Rock, Fort Smith, and Fayetteville / Springdale / Rogers areas. Learn about the history, overlay, central office prefixes, and projected exhaust date of these area codes.
Learn about the history and geography of area codes 904 and 324, which cover most of the First Coast region of Florida, including Jacksonville. Find out how they were created, when they will require ten-digit dialing, and what other area codes are nearby.
Learn about the history and current status of telephone area codes in Toronto, Ontario, Canada. Find out how 647 is an overlay area code for mobile and competitive services, while 416 is the original and dominant code for landlines.