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ATIS 0300070(2020-07)

Guidelines for the Administration of Telephone Numbers

The Alliance for Telecommunications Industry Solutions, 07/01/2020

Publisher: ATIS

File Format: PDF

$131.00$262.43


Published:01/07/2020

Pages:40

File Size:2 files , 1 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

These guidelines identify Service Provider (SP) responsibilities with respect to individual telephone numbers in the 10-digit NANP number format (NPA-NXX-XXXX) within existing geographic central office (NXX) codes administered by the North American Numbering Plan Administrator (NANPA) and the Pooling Administrator (PA). It contains guidelines for the administration of Aging Numbers, Reserved Numbers, and Sequential Number Assignment.

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