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 773-289
773-289-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS004/19/2001Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
773-289-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS004/19/2001Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
Thousands block for 773-328
773-328-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS007/19/2001Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
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