npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
918-596 | OK | SOUTHWESTERN BELL | 9533 | TULSA | TULSOKTBDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TULSA DS0 Switch Type: Northern Telecom DMS100/200 Digital Host LATA: Tulsa OK (538) Tandem: TULSOKTB03T Detailed Switch Info |