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
312-591ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILWB55T00/00/0000Prefix Type: RBOC
Switch Name: CHCZ 1
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
630-591ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILWB55T00/00/0000Prefix Type: RBOC
Switch Name: CHCZ 1
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
708-591ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILWB55T00/00/0000Prefix Type: RBOC
Switch Name: CHCZ 1
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-591ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILWB55T00/00/0000Prefix Type: RBOC
Switch Name: CHCZ 1
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
847-591ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILWB55T00/00/0000Prefix Type: RBOC
Switch Name: CHCZ 1
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
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