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
608-316WITELEPORT COMMUNICATIONS AMERICA, LLC WI (AT&T)7216MADISONMDSNWI02DS400/00/0000Prefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
Detailed Switch Info
Thousands block for 608-316
608-316-9WITELEPORT COMMUNICATIONS AMERICA, LLC WI (AT&T)7216MADISONMDSNWI02DS4N/APrefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
Detailed Switch Info