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
630-469ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS000/00/0000Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
Thousands block for 630-534
630-534-4ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS006/27/2000Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-534-6ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS009/21/2001Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-534-7ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS009/21/2001Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-534-8ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS009/21/2001Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-545ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS000/00/0000Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-790ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS000/00/0000Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-858ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS000/00/0000Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-942ILILLINOIS BELL TEL CO (AT&T)9329GLEN ELLYNGLELILGEDS000/00/0000Prefix Type: RBOC
Switch Name: GLEN ELLYN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
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