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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
616-357MIFIRST COMMUNICATIONS, LLC460KADABRSPMI09HMD00/00/0000Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
Thousands block for 616-357
616-357-0MIFIRST COMMUNICATIONS, LLC460KADABRSPMI09HMD 07/03/2024Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
616-951MIFIRST COMMUNICATIONS, LLC460KROCKFORDBRSPMI09HMD02/07/2008Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
Thousands block for 616-951
616-951-0MIFIRST COMMUNICATIONS, LLC460KROCKFORDBRSPMI09HMD 01/20/2009Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
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