Naperville City Hall 400 S Eagle St Naperville, IL 60540 Phone : (630) 420-6111 Naperville City Hall Business Category Government Offices & Public Schools Naperville City Of--city Hall-all Departments Naperville, IL 60540 Phone : (630) 420-6111 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools