| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 319-825 | IA | GRUNDY CENTER COMMUNICATIONS UTILITY - IA | 3614 | GRUNDY CTR | GNCTIAAIDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Cedar Rapids IA (635) Tandem: N/A Detailed Switch Info |
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Last Updated: Sat Feb 15 03:59:25 2025