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
618-747ILILLINOIS BELL TEL CO (AT&T)9329TAMMSTMMSILTMRS000/00/0000Prefix Type: RBOC
Switch Name: TAMMS
Switch Type: N/A
LATA: Cairo IL (362)
Tandem: CRDLILXE51T
Detailed Switch Info
Thousands block for 618-747
618-747-2ILILLINOIS BELL TEL CO (AT&T)9329TAMMSTMMSILTMRS0N/APrefix Type: RBOC
Switch Name: TAMMS
Switch Type: N/A
LATA: Cairo IL (362)
Tandem: CRDLILXE51T
Detailed Switch Info
618-747-9ILILLINOIS BELL TEL CO (AT&T)9329TAMMSTMMSILTMRS0N/APrefix Type: RBOC
Switch Name: TAMMS
Switch Type: N/A
LATA: Cairo IL (362)
Tandem: CRDLILXE51T
Detailed Switch Info
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