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
218-448MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123MCGREGORMCGRMNXMPS009/18/2018Prefix Type: ICO
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 218-448
218-448-4MNCITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN (Frontier Communications)1123MCGREGORMCGRMNXMPS009/19/2018Prefix Type: ICO
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
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