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
217-436ILFRONTIER NORTH, INC. - IL (Frontier Communications)1015PALMYRAPLMYILXCRS000/00/0000Prefix Type: ICO
Switch Name: PALMYRA
Switch Type: NTDMSRSC
LATA: Springfield IL (374)
Tandem: SPFDILES52T
Detailed Switch Info
Thousands block for 217-436
217-436-2ILFRONTIER NORTH, INC. - IL (Frontier Communications)1015PALMYRAPLMYILXCRS0N/APrefix Type: ICO
Switch Name: PALMYRA
Switch Type: NTDMSRSC
LATA: Springfield IL (374)
Tandem: SPFDILES52T
Detailed Switch Info