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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.
Learn about the geographic and non-geographic area codes used in the North American Numbering Plan (NANP), which divides the territories of its members into numbering plan areas (NPAs). See the numerical order, date, territory or use, and notes of each area code.
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.
Learn about the history, rules, and options for providing more telephone numbers in the NANP, which covers the US, Canada, and some Caribbean and Pacific regions. The article explains the current and proposed formats, the exhaustion analysis, and the industry recommendations for the expansion.
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 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 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.
Learn about the history and usage of fictitious telephone numbers, especially the common (XXX) 555-xxxx format in North America. Find out how some fictitious numbers have become real or famous in movies, music and culture.