Windsor Post Office

Post office

39 South Main Street, Windsor, NJ 08561

(609) 448-6655

Hours: M-F 8am - 1pm and 2pm - 4pm. Call for appointment; 609-448-6655.

Appointment required

Hours and addresses come from the State Department listing, updated November 2, 2026.

Book at USPS Directions Facilities in Windsor Facilities in New Jersey

Windsor Post Office accepts new U.S. passport applications in person in Windsor, NJ. First-time and child visits are booked on the USPS scheduler. Search ZIP 08561. How to apply · How to renew