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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-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
847-438ILILLINOIS BELL TEL CO (AT&T)N/A9329LAKEZURICHLKZRILLZDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE ZURICH
Switch Type: EWSD
LATA: N/A
Tandem: NCHCILNC20T
Detailed Switch Info
847-540ILILLINOIS BELL TEL CO (AT&T)N/A9329LAKEZURICHLKZRILLZDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE ZURICH
Switch Type: EWSD
LATA: N/A
Tandem: NCHCILNC20T
Detailed Switch Info
847-550ILILLINOIS BELL TEL CO (AT&T)N/A9329LAKEZURICHLKZRILLZDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE ZURICH
Switch Type: EWSD
LATA: N/A
Tandem: NCHCILNC20T
Detailed Switch Info
847-726ILILLINOIS BELL TEL CO (AT&T)N/A9329LAKEZURICHLKZRILLZDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE ZURICH
Switch Type: EWSD
LATA: N/A
Tandem: NCHCILNC20T
Detailed Switch Info
847-862ILILLINOIS BELL TEL CO (AT&T)N/A9329LAKEZURICHLKZRILLZDS005/25/2001Prefix Type: RBOC
Switch Name: LAKE ZURICH
Switch Type: EWSD
LATA: N/A
Tandem: NCHCILNC20T
Detailed Switch Info