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
217-967ILFRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL (Frontier Communications)1000WESTFIELDWSFDILXCRS000/00/0000Prefix Type: ICO
Switch Name: WESTFIELD
Switch Type: NTDMSRSC
LATA: Mattoon IL (976)
Tandem: MTONILXC51T
Detailed Switch Info
Thousands block for 217-967
217-967-5ILFRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL (Frontier Communications)1000WESTFIELDWSFDILXCRS0N/APrefix Type: ICO
Switch Name: WESTFIELD
Switch Type: NTDMSRSC
LATA: Mattoon IL (976)
Tandem: MTONILXC51T
Detailed Switch Info
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