npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
409-385 | TX | SOUTHWESTERN BELL | 9533 | SILSBEE | SLSBTXSLRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SILSBY Switch Type: Northern Telecom DMS100 Remote Line Module LATA: Beaumont TX (562) Tandem: BUMTTXTE03T Detailed Switch Info |