| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 712-336 | IA | QWEST CORPORATION | 0003746757 | RMD0006389 | 9631 | SPIRITLAKE | SPLKIACODS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPIRIT LAKE Switch Type: Northern Telecom DMS10 (Digital) LATA: Sioux City IA (630) Tandem: SPNCIATC07T Detailed Switch Info |
