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
919-864NCFRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)4334DURHAMDRHMNCXMPS002/06/2012Prefix Type: ICO
Switch Name: DURHAM
Switch Type: N/A
LATA: Raleigh NC (426)
Tandem: N/A
Detailed Switch Info
Thousands block for 919-864
919-864-7NCFRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)4334DURHAMDRHMNCXMPS002/07/2012Prefix Type: ICO
Switch Name: DURHAM
Switch Type: N/A
LATA: Raleigh NC (426)
Tandem: N/A
Detailed Switch Info
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