npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
918-828 | OK | SOUTHWESTERN BELL | 9533 | TULSA | TULSOKNADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: TULS NATIONAL Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Tulsa OK (538) Tandem: TULSOKTB03T Detailed Switch Info |