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Le plan de numérotage nord-américain (North American Numbering Plan ou NANP) est un système intégré de numérotation téléphonique commun à 20 pays en Amérique du Nord. AT&T a développé ce plan de numérotation en 1947 pour simplifier et faciliter les communications locales et longue-distance.
Learn about the history, format and countries participating in the NANP, a telephone numbering plan for twenty-five regions in North America and the Caribbean. The NANP divides the territories into numbering plan areas with three-digit codes and assigns seven-digit numbers to each telephone.
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs) with three-digit codes. This web page lists the area codes by numerical order, date of assignment, territory or use, and notes.
Les numéros de téléphone nationaux et régionaux sont définis par des plans de numérotation nationaux ou régionaux, tels que l' Espace de numérotation téléphonique européen, le Plan de numérotation nord-américain (NANP) ou le 76 4581726.
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 telephone numbering plan that covers 24 countries and territories in North America. Find out how it works, what are the area codes and the related pages.
NANPA is the organization that manages the numbering plan for the US, Canada and some Caribbean countries. Learn about the NANP, its administration, events, updates, and resources.
