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
312-226ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-243ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-355ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-361ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-361
312-361-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-361-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-413ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-432ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-455ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-492
312-492-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-492-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-563ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-569ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-569
312-569-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS105/28/2002Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-569-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-569-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-569-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-569-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-666ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-710ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-733ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/15/2001Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-743
312-743-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-743-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-746ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-770
312-770-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-770-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-864ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-942ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/18/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-947
312-947-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-947-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS111/22/2010Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-996ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS100/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-997
312-997-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-997-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS1N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS1
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info