npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
580-655 | OK | DOBSON TEL. CO. | 1988 | REYDON | CHYNOKXADS0 | 00/00/0000 | Prefix Type: ICO Switch Name: CHEYENNE Switch Type: Northern Telecom DMS10 (Digital) LATA: Oklahoma City OK (536) Tandem: N/A Detailed Switch Info |