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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
217-482 | IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL (Frontier Communications) | 1183 | MASON CITY | MSCYILXCDS0 | 00/00/0000 | Prefix Type: ICO Switch Name: MASON CITY Switch Type: Northern Telecom DMS10 (Digital) LATA: Springfield IL (374) Tandem: N/A Detailed Switch Info |