Usps Riva Post Office

Post office

3123 Riva Road, Riva, MD 21140

Monday 10:00AM-4:30PM Tues-Fri 9:30AM-4:30PM Sat 8:30AM-12:30Pm

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

Book at USPS Directions Facilities in Riva Facilities in Maryland

Usps Riva Post Office accepts new U.S. passport applications in person in Riva, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 21140. How to apply · How to renew