npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
815-589 | IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL (Frontier Communications) | 1183 | FULTON | FLTNILXADS0 | 00/00/0000 | Prefix Type: ICO Switch Name: FULTON Switch Type: Northern Telecom DMS10 (Digital) LATA: Sterling IL (364) Tandem: N/A Detailed Switch Info |