npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
903-579 | TX | SOUTHWESTERN BELL | 9533 | TYLER | TYLRTXSODS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: Tyler South Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Longview TX (554) Tandem: LGVWTXPL03T Detailed Switch Info |