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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
214-328 | TX | SOUTHWESTERN BELL | 9533 | DALLAS | DLLSTXDADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: Davis Switch Type: N/A LATA: Dallas TX (552) Tandem: DLLSTXRI01T Detailed Switch Info |