npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
972-461 | TX | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications) | 4344 | PLANO | PLANTXXADS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: DMS Switch Type: NTDMS100 LATA: Dallas TX (552) Tandem: IRNGTXXB01T Detailed Switch Info |