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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 464-223 | IL | ONVOY, LLC (Inteliquent) | 224C | PEOTONE | CHCGIL24DS6 | 07/11/2023 | Prefix Type: CLEC Switch Name: CHICAGO Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 708-258 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | PEOTONE | PETNILPTRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PEOTONE Switch Type: N/A LATA: N/A Tandem: JOLTILJO20T Detailed Switch Info |
| 708-607 | IL | LEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc) | 6115 | PEOTONE | CHCGILGMDS7 | 11/14/2012 | Prefix Type: CLEC Switch Name: CHICAGO Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 708-726 | IL | STRATUS NETWORKS | 495J | PEOTONE | CHCGIL24XMD | 09/04/2020 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 708-792 | IL | LEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc) | 6115 | PEOTONE | CHCGILGMDS7 | 04/25/2002 | Prefix Type: CLEC Switch Name: CHICAGO Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |