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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
630-623ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS000/00/0000Prefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-623
630-623-0ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-1ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-2ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-3ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-4ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-5ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-6ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-7ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-8ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-623-9ILILLINOIS BELL TEL CO (AT&T)9329HINSDALEOKBRILOADS0N/APrefix Type: RBOC
Switch Name: OAKBROOK
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
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