npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
713-880 | TX | SOUTHWESTERN BELL | 9533 | HOUSTON | HSTNTXUNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: Underwood Switch Type: WECO 5ESS (Digital) LATA: Houston TX (560) Tandem: N/A Detailed Switch Info |