Dean’s Clothing Retail Location. Outfitting Naperville since 1959. 226 S. Main St. Naperville, IL 60540 Phone: 630-355-3007 STORE HOURS Mon, Tue, Wed: 9AM to 6PM Thu: 9AM to 8PM Fri: 9AM to 6PM Sat: 9AM TO 5:30PM Sun: 11AM TO 4PM Visit us at our downtown Naperville, IL location.