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
773-227ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-235ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-252ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
Thousands block for 773-269
773-269-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS102/27/2002Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-276ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-278ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-292ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-342ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-384ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-394ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
Thousands block for 773-394
773-394-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-394-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-394-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-394-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
Thousands block for 773-395
773-395-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395-8ILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CHICGOZN04CHCGILHBDS1N/APrefix Type: WIRELESS
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-395-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-486ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-489ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-645ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
Thousands block for 773-645
773-645-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-645-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-645-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-645-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-772ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-782ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
Thousands block for 773-782
773-782-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-782-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-782-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-782-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-862ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS100/00/0000Prefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
Thousands block for 773-862
773-862-0ILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CHICGOZN04CHCGILHBDS1N/APrefix Type: WIRELESS
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-862-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-862-2ILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CHICGOZN04CHCGILHBDS1N/APrefix Type: WIRELESS
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-862-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-862-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-862-5ILTERRA NOVA TELECOM INC.145JCHICGOZN04CHCGILHBDS108/27/2021Prefix Type: IPES
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-862-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
773-862-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN04CHCGILHBDS1N/APrefix Type: RBOC
Switch Name: CHCG HUMBOLDT DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
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