ウェブ60 Thompson Ave, Leonardo NJ 07737. About. Address: 60 Thompson Ave, Leonardo NJ 07737 Large Map & Directions. Phone: 732-291-2556. Fax: 732-291-2882. TTY: 877-889-2457. Toll-Free: 1-800-Ask-USPS® (275-8777) Retail Hours: Monday: 9:00AM - 11:00AM, 12:00PM - 4:00PM. Tuesday: 9:00AM - 11:00AM, 12:00PM - 4:00PM.