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
217-666ILILLINOIS BELL TEL CO (AT&T)9329WEST DANADANAIN01RSA00/00/0000Prefix Type: RBOC
Switch Name: DANA
Switch Type: N/A
LATA: Indianapolis IN (336)
Tandem: CFVLIN0104T
Detailed Switch Info
Thousands block for 217-666
217-666-3ILILLINOIS BELL TEL CO (AT&T)9329WEST DANADANAIN01RSAN/APrefix Type: RBOC
Switch Name: DANA
Switch Type: N/A
LATA: Indianapolis IN (336)
Tandem: CFVLIN0104T
Detailed Switch Info
765-665ININDIANA BELL TEL CO INC (AT&T)9325DANADANAIN01RSA00/00/0000Prefix Type: RBOC
Switch Name: DANA
Switch Type: N/A
LATA: Indianapolis IN (336)
Tandem: CFVLIN0104T
Detailed Switch Info
Thousands block for 765-665
765-665-3ININDIANA BELL TEL CO INC (AT&T)9325DANADANAIN01RSAN/APrefix Type: RBOC
Switch Name: DANA
Switch Type: N/A
LATA: Indianapolis IN (336)
Tandem: CFVLIN0104T
Detailed Switch Info
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