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City Carrier Name:Naperville

This is the United States City Carrier Name:Naperville Area Code Database page list. You can click the title to browse the detail information.
Region Code: IL
Region Name National Destination Code Sn from Sn to Number Type
Illinois 331 2043000 2043999 G
Illinois 331 2044000 2044999 G
Illinois 331 4447000 4447999 G
Illinois 331 7029000 7029999 G