Rocky Hill Post Office

Post office

130 Washington Street, Rocky Hill, NJ 08553

Hours: M-F 10:00am - 3:00pm; please call 609-921-9096.

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

Book at USPS Directions Facilities in Rocky Hill Facilities in New Jersey

Rocky Hill Post Office accepts new U.S. passport applications in person in Rocky Hill, NJ. First-time and child visits are booked on the USPS scheduler. Search ZIP 08553. How to apply · How to renew