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Document Name:  Central Office Code (NXX) Assignment Guidelines (COCAG)
Document Date:  October, 2017
Document Number:  ATIS-0300051
Document Version: 
Committee:  INC
Collaborating Forum(s): 
Document Type:  Guidelines
Abstract:  This document specifies guidelines for the assignment of central office (CO) codes. Examples of uses for CO codes (NXX) for which these guidelines apply include plain old telephone service (POTS), Centrex, Direct Inward Dialing (DID), cellular mobile service, pagers, data lines, facsimile, coin phones, and customer owned pay phones. While these guidelines were developed at the direction of the FCC, they do not supersede controlling appropriate NANP Area governmental or regulatory principles, procedures and requirements.
Formats Available:  Paper Copy: $35.00 - Add to Cart
Electronic Download: $0.00 - Add to Cart
CD-Rom: $35.00 - Add to Cart
File Size: 
Number of Pages:  64
 
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