npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
214-821 | TX | SOUTHWESTERN BELL | 9533 | DALLAS | DLLSTXTADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: Taylor Switch Type: WECO 5ESS (Digital) LATA: Dallas TX (552) Tandem: DLLSTXRI01T Detailed Switch Info |