ANSI T1.251

Identification of Telecommunications Service Provider Codes for the North American Telecommunications System

Org/Number ID	ANSI T1.251
Alternate Organization ID / number	ATIS T1.251
Version(s)	1996, 2000
Bin #	0554
Comments	Superseded by ATIS 0300251
Status	Present
Record last updated	August 1, 2022, 10:19 am

This may not be the most recent edition of this standard.