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
843-904SCFRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC (Frontier Communications)4335GEORGETOWNGRTWSCXARL000/00/0000Prefix Type: ICO
Switch Name: RSC
Switch Type: NTDMSRSC
LATA: Florence SC (432)
Tandem: MYBHSCAF1GT
Detailed Switch Info
Thousands block for 843-904
843-904-0SCFRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC (Frontier Communications)4335GEORGETOWNGRTWSCXARL0N/APrefix Type: ICO
Switch Name: RSC
Switch Type: NTDMSRSC
LATA: Florence SC (432)
Tandem: MYBHSCAF1GT
Detailed Switch Info