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
224-212ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS011/12/2003Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 224-212
224-212-2ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS011/12/2003Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-212-3ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS011/12/2003Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-212-4ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS011/12/2003Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-212-5ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS011/12/2003Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-212-6ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS008/24/2004Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-212-7ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS008/24/2004Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-544ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS003/28/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 224-544
224-544-2ILTELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)7136LAKEFORESTLKFRILLFDS002/11/2021Prefix Type: CLEC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-544-3ILIP HORIZON LLC515JLAKEFORESTLKFRILLFDS006/07/2023Prefix Type: IPES
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-544-4ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS003/30/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-544-6ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS003/30/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-544-7ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/23/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-552ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS009/12/2006Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 224-552
224-552-2ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/23/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-552-3ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/23/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-552-4ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/23/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-552-6ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/23/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-552-7ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/23/2007Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-552-8ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS009/12/2006Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-552-9ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS009/12/2006Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-880ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS005/23/2011Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 224-880
224-880-2ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS005/27/2011Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-880-3ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS005/27/2011Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-880-4ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS005/27/2011Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-234ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 847-283
847-283-0ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283-1ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283-2ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283-3ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283-4ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283-5ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283-6ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283-8ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-283-9ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-295ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-482ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-535ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-582ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 847-582
847-582-2ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-582-7ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-582-8ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-604ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 847-604
847-604-1ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-604-2ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-604-5ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-604-6ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-604-7ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-604-8ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-604-9ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS0N/APrefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-615ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-735ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS000/00/0000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 847-810
847-810-3ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/05/2000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-810-4ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/05/2000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-810-5ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/05/2000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-810-6ILILLINOIS BELL TEL CO (AT&T)9329LAKEFORESTLKFRILLFDS007/05/2000Prefix Type: RBOC
Switch Name: LAKE FOREST
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
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