npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
605-256 | SD | QWEST CORPORATION | 9631 | MADISON | MDSNSDCERS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: MADISON Switch Type: WECO 5ESS Remote (5A RSM) LATA: South Dakota (640) Tandem: SXFLSDCO09T Detailed Switch Info |