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
630-256ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS009/30/2009Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-256
630-256-2ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS010/01/2009Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-256-3ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS010/01/2009Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-256-4ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS010/01/2009Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-256-5ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS010/01/2009Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-256-6ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS010/01/2009Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-264ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-301
630-301-5ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS009/10/2002Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-301-6ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS009/10/2002Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-301-7ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS011/08/2001Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-723
630-723-2ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS001/03/2001Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-801ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-844ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-859ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-892ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-896ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-897ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-906ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-966ILILLINOIS BELL TEL CO (AT&T)9329AURORAAURRILARDS000/00/0000Prefix Type: RBOC
Switch Name: AURORA MAIN
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
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