npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
406-442 | MT | QWEST CORPORATION | 9636 | HELENA | HLNAMTMADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: HELENA Switch Type: WECO 5ESS (Digital) LATA: Great Falls MT (648) Tandem: HLNAMTMA03T Detailed Switch Info |