npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
636-724 | MO | SOUTHWESTERN BELL | 9533 | ST CHARLES | STCHMO63DSA | 00/00/0000 | Prefix Type: RBOC Switch Name: ST CHARLES Switch Type: Northern Telecom DMS10S LATA: St.Louis MO (520) Tandem: STLSMO2101T Detailed Switch Info |