United States Postal Service 1750 W Ogden Ave, Naperville, IL60540 The main Naperville Post Office is located on Ogden Ave. and receives a lot of traffic. This location includes drive-up…More mail boxes where letters and express mail can be dropped. This location is open everyday. Be sure to grab a number before you get in line. Along with mailing letters and packages, patrons can purchase greeting cards and mailing materials. Passports orders are welcome.