Oceanside Main Post Office

Post office

1895 Avenida Del Oro, Oceanside, CA 92056

Hours: 9AM-12:00PM to 1:00PM-3PM - Mon-Fr;, 12:45PM to 1:45PM Lunch Call 1-800-801-9801 for appt.

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

Book at USPS Directions Facilities in Oceanside Facilities in California

Oceanside Main Post Office accepts new U.S. passport applications in person in Oceanside, CA. First-time and child visits are booked on the USPS scheduler. Search ZIP 92056. How to apply · How to renew