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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 618-485 | IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL (Frontier Communications) | N/A | 1183 | ASHLEY | ASHYILXERS0 | 00/00/0000 | Prefix Type: ICO Switch Name: ASHLEY Switch Type: Northern Telecom Remote Switching Center LATA: N/A Tandem: N/A Detailed Switch Info |
