San Dimas Main Post Office

Post office

300 E. Bonita Ave, San Dimas, CA 91773

(909) 592-0763

Hours: Monday-Friday_9am-2pm by appointment only. Please call (909)592-0763 for an appointment and more information.

Appointment required

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

Book at USPS Directions Facilities in San Dimas Facilities in California

San Dimas Main Post Office accepts new U.S. passport applications in person in San Dimas, CA. First-time and child visits are booked on the USPS scheduler. Search ZIP 91773. How to apply · How to renew