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
231-331MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695ALDENALDNMIXHRS000/00/0000Prefix Type: ICO
Switch Name: ALDEN
Switch Type: AE-RSU
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
Thousands block for 231-331
231-331-4MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695ALDENALDNMIXHRS0N/APrefix Type: ICO
Switch Name: ALDEN
Switch Type: AE-RSU
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-331-6MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695ALDENALDNMIXHRS0N/APrefix Type: ICO
Switch Name: ALDEN
Switch Type: AE-RSU
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-331-7MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695ALDENALDNMIXHRS0N/APrefix Type: ICO
Switch Name: ALDEN
Switch Type: AE-RSU
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info