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Overlay complex

Method of area code relief for an exhausted code

Texto en inglés

In telecommunications, an area code overlay complex is a telephone numbering plan that assigns multiple area codes to the same geographic numbering plan area (NPA). Area code overlays are implemented in territories of the North American Numbering Plan (NANP) to mitigate exhaustion of central office codes in growth areas.

En Wikipedia

Texto en inglés Aún no hay artículo en tu idioma: extracto en inglés.

In telecommunications, an area code overlay complex is a telephone numbering plan that assigns multiple area codes to the same geographic numbering plan area (NPA). Area code overlays are implemented in territories of the North American Numbering Plan (NANP) to mitigate exhaustion of central office codes in growth areas. The method has been in use since 1992, and has been the exclusive method of area code relief since 2007.

Texto: Wikipedia en inglés, CC BY-SA 4.0. ·

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