npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
918-288 | OK | SOUTHWESTERN BELL | 9533 | SPERRY | TULSOKSPRS2 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPERRY Switch Type: Northern Telecom Remote Switching Center LATA: N/A Tandem: TULSOKTB03T Detailed Switch Info |