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
320-542MNFRONTIER COMMUNICATIONS OF MINNESOTA, INC. (Frontier Communications)1367DAWSONHCTRMNXAPS005/15/2006Prefix Type: ICO
Switch Name: HECTOR
Switch Type: N/A
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info
Thousands block for 320-542
320-542-0MNFRONTIER COMMUNICATIONS OF MINNESOTA, INC. (Frontier Communications)1367DAWSONHCTRMNXAPS002/24/2016Prefix Type: ICO
Switch Name: HECTOR
Switch Type: N/A
LATA: St.Cloud MN (626)
Tandem: N/A
Detailed Switch Info