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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 779-997 | IL | TON80 COMMUNICATIONS, LLC | 516J | PLATTVILLE | CHCGILWUTMD | 01/13/2022 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 815-475 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | PLATTVILLE | PTVLILPVRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PLATTVILLE Switch Type: N/A LATA: N/A Tandem: JOLTILJO20T Detailed Switch Info |
| 815-916 | IL | ONVOY, LLC (Sinch) | 224C | PLATTVILLE | CHCGILWUDS3 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |