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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🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
773-924ILILLINOIS BELL TEL CO (AT&T)N/A9329CHICGOZN07CHCGILOKCG000/00/0000Prefix Type: RBOC
Switch Name: N/A
Switch Type: WECO 1AESS
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: CHCGILOKCG0))
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