Hackettstown Main Post Office

Post office

120 Grand Avenue, Hackettstown, NJ 07840

Hours: M-Sat 10am - 3pm. For appointment call 908-852-3535

Appointment required

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

Book at USPS Directions Facilities in Hackettstown Facilities in New Jersey

Hackettstown Main Post Office accepts new U.S. passport applications in person in Hackettstown, NJ. First-time and child visits are booked on the USPS scheduler. Search ZIP 07840. How to apply · How to renew