npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
479-648 | AR | SOUTHWESTERN BELL | 9533 | FORT SMITH | FTSMARMIDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: FTSM MISSION Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Ft.Smith AR (526) Tandem: FTSMARSU03T Detailed Switch Info |