npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
972-956 | TX | SOUTHWESTERN BELL TELEPHONE COMPANY - TX | 7726 | LEWISVILLE | DLLSTXNODS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: Northlake DS0 Switch Type: WECO 5ESS (Digital) LATA: Dallas TX (552) Tandem: DLLSTXRI01T Detailed Switch Info |