npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
605-542 | SD | INTERSTATE TELECOM COOP, INC. - SD | 1651 | ELKTON | CLLKSDXADS0 | 00/00/0000 | Prefix Type: ICO Switch Name: CLEAR LAKE Switch Type: N/A LATA: South Dakota (640) Tandem: N/A Detailed Switch Info |