ATIS 0300060(2018-10)
9YY NXX Code Assignment Guidelines
The Alliance for Telecommunications Industry Solutions , 10/26/2018
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This document specifies guidelines for the assignment of NXX codes within the 9YY Service Access Code (SAC) to carriers.
Product Information
Published:
10/26/2018
File Size:
1 file , 380 KB
Language:
English
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