npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
972-857 | TX | SOUTHWESTERN BELL | 9533 | DALLAS | DLLSTXFBRS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: DALLAS FARMERS BRANCH Switch Type: WECO 5ESS Remote (5A RSM) LATA: Dallas TX (552) Tandem: N/A Detailed Switch Info |