npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
712-729 | IA | NORTHERN IOWA TEL. CO. | 1259 | SANBORN | SNBRIAXODS0 | 00/00/0000 | Prefix Type: ICO Switch Name: SANBORN Switch Type: Northern Telecom DMS10 (Digital) LATA: Sioux City IA (630) Tandem: N/A Detailed Switch Info |