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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
630-305ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
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