npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
641-336 | IA | WINDSTREAM IOWA COMMUNICATIONS (Iowa Telecom) | 1178 | CLEARFIELD | CLFDIAXORS3 | 00/00/0000 | Prefix Type: ICO Switch Name: CLEARFIELD Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |