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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-572ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS000/00/0000Prefix Type: RBOC
Switch Name: CHCG MONROE DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-572
312-572-0ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD01/12/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-572-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS0N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-572-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS0N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-572-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS0N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-572-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS0N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-572-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILMODS0N/APrefix Type: RBOC
Switch Name: CHCG MONROE DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-572-6ILPAETEC COMMUNICATIONS, INC. - IL (Windstream Communications)4717CHICGOZN01CHCGILCPDS509/17/2009Prefix Type: CLEC
Switch Name: CHICAGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-572-7ILPAETEC COMMUNICATIONS, INC. - IL (Windstream Communications)4717CHICGOZN01CHCGILCPDS511/15/2007Prefix Type: CLEC
Switch Name: CHICAGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-572-8ILPAETEC COMMUNICATIONS, INC. - IL (Windstream Communications)4717CHICGOZN01CHCGILCPDS509/17/2009Prefix Type: CLEC
Switch Name: CHICAGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-572-9ILBANDWIDTH.COM CLEC, LLC - IL984ECHICGOZN01NOCLLIKNOWN02/02/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info