Fontana Post Office Hours


Retail Hours

Contact Numbers:

Phone: 909-822-8030
Monday-Friday 8:30am - 5:00pm
Saturday 10:00am - 4:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 9:00am - 12:00pm
Saturday-Sunday Closed

Monday-Friday 8:30am - 5:00pm
Saturday 10:00am - 4:00pm
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

Monday-Sunday 12:01am - 11:59pm

PO Box Delivery Time

Monday-Saturday 11:00am
Sunday Closed

USPS Shipping Rate Calculator

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Diane P Oliver (Postmaster) diane.p.oliver@usps.gov
8282 Sierra Ave
Fontana, CA 92335

The Fontana Post Office is located in the state of California within San Bernardino County. This location serves 95,397 Fontana residents with a median income of $43,946. It's estimated that approximately 152,264 packages pass through this post office each year.

Fontana Post Office Location


Fontana California Local Links