NXX CODE


Meaning of NXX CODE in English

In the North American direct distance dialing numbering plan, a central office code of three digits that designates a particular central office or a given 10,000- line unit of subscriber lines; "N" is any number from 2 to 9, and "X" is any number from 0 to 9.

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.