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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
331-281ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/25/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 331-281
331-281-0ILCOMCAST IP PHONE, LLC (Comcast)318JNAPERVILLENOCLLIKNOWN04/29/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
331-281-1ILONVOY, LLC (Sinch)224CNAPERVILLENOCLLIKNOWN03/19/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
331-281-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info