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
Thousands block for 517-554
517-554-3MIFIRST COMMUNICATIONS, LLC460KALBIONLNNGMIDCMMD08/19/2008Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: N/A
Detailed Switch Info
517-680MIFIRST COMMUNICATIONS, LLC460KALBIONLNNGMIDCMMD00/00/0000Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: N/A
Detailed Switch Info
Thousands block for 517-680
517-680-2MIFIRST COMMUNICATIONS, LLC460KALBIONLNNGMIDCMMD07/03/2024Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: N/A
Detailed Switch Info
517-883MIFIRST COMMUNICATIONS, LLC460KMASONLNNGMIDCMMD02/04/2008Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: N/A
Detailed Switch Info
Thousands block for 517-883
517-883-0MIFIRST COMMUNICATIONS, LLC460KMASONLNNGMIDCMMD01/20/2009Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: N/A
Detailed Switch Info
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