npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
712-867 | IA | RIVER VALLEY TELECOMMUNICATIONS COOP. | 1189 | WALLINGFD | WLFRIAXODS0 | 00/00/0000 | Prefix Type: ICO Switch Name: WALLINGFORD Switch Type: Northern Telecom DMS10 (Digital) LATA: Sioux City IA (630) Tandem: N/A Detailed Switch Info |