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
217-548ILILLINOIS BELL TEL CO (AT&T)9329FITHIANFTHNILFTRS000/00/0000Prefix Type: RBOC
Switch Name: FITHIAN
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: CHMPILCP51T
Detailed Switch Info
Thousands block for 217-548
217-548-2ILILLINOIS BELL TEL CO (AT&T)9329FITHIANFTHNILFTRS0N/APrefix Type: RBOC
Switch Name: FITHIAN
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: CHMPILCP51T
Detailed Switch Info
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