ATIS - T1.222
Identification of Exchange Carrier Company Names and Codes for the North American Telecommunications System
inactive, Most Current
| Organization: | ATIS |
| Publication Date: | 1 December 1991 |
| Status: | inactive |
Document History
T1.222
December 1, 1991
Identification of Exchange Carrier Company Names and Codes for the North American Telecommunications System
A description is not available for this item.