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
224-541ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS010/24/2011Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
Thousands block for 224-541
224-541-1ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS010/25/2011Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-223ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS000/00/0000Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
Thousands block for 847-231
847-231-4ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS006/28/1999Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-231-5ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS006/28/1999Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-231-6ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS006/28/1999Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS000/00/0000Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
Thousands block for 847-543
847-543-0ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-1ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-2ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-3ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-4ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-5ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-6ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-7ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-8ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-543-9ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS0N/APrefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-548ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS000/00/0000Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-665ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS000/00/0000Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
Thousands block for 847-665
847-665-2ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS010/06/2003Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
847-752ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS000/00/0000Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
Thousands block for 847-752
847-752-2ILILLINOIS BELL TEL CO (AT&T)9329GRAYSLAKEGYLKILGLDS004/22/2003Prefix Type: RBOC
Switch Name: GRAYS LAKE
Switch Type: EWSD
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
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