npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
406-972 | MT | WEST RIVER COOPERATIVE TELEPHONE COMPANY | 1689 | WCAMPCROOK | BISNSDXADS0 | 00/00/0000 | Prefix Type: ICO Switch Name: BISON Switch Type: Northern Telecom DMS10 (Digital) LATA: South Dakota (640) Tandem: N/A Detailed Switch Info |