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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-528ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILCADS000/00/0000Prefix Type: RBOC
Switch Name: CHCG CALUMET DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
Thousands block for 312-528
312-528-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILCADS0N/APrefix Type: RBOC
Switch Name: CHCG CALUMET DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-528-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILCADS0N/APrefix Type: RBOC
Switch Name: CHCG CALUMET DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-528-2ILMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229CHICGOZN01WDDLILCBDS011/15/1999Prefix Type: CLEC
Switch Name: CHICAGO
Switch Type: NORTEL DMS 500
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-528-3ILLEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc)6115CHICGOZN01NOCLLIKNOWN02/07/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-528-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILCADS0N/APrefix Type: RBOC
Switch Name: CHCG CALUMET DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-528-5ILCOMCAST IP PHONE, LLC318JCHICGOZN01CHCGILNEXJX12/06/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-528-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILCADS0N/APrefix Type: RBOC
Switch Name: CHCG CALUMET DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-528-7ILXO ILLINOIS, INC. (Verizon Communications)7056CHICGOZN01CHCGILTCDS412/22/2010Prefix Type: CLEC
Switch Name: CHICGOZN01
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-528-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILCADS0N/APrefix Type: RBOC
Switch Name: CHCG CALUMET DS0
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILST55T
Detailed Switch Info
312-528-9ILLEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc)6115CHICGOZN01NOCLLIKNOWN08/16/2000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info