Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
217-968ILCITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL (Frontier Communications)1183GREENVIEWGNVWILXCRS000/00/0000Prefix Type: ICO
Switch Name: GREENVIEW
Switch Type: Northern Telecom DMS10 RSLE
LATA: Springfield IL (374)
Tandem: N/A
Detailed Switch Info