MARTINEZ POST OFFICE 94553

Martinez Post Office Hours


Retail Hours

Monday-Friday 8:30am - 5:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 10:00am - 3:00pm
Saturday-Sunday Closed

Monday-Friday 9:00am - 6:00pm
Saturday 10:00am - 1:00pm
Sunday Closed

Lobby Hours

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

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

PO Box Delivery Time

Monday-Saturday 10:00am
Sunday Closed

USPS Shipping Rate Calculator

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Angelica Tang (Postmaster) angelica.tang@usps.gov
4100 Alhambra Ave
Martinez, CA 94553

The Martinez Post Office is located in the state of California within Contra Costa County. This location serves 47,065 Martinez residents with a median income of $74,708. It's estimated that approximately 75,121 packages pass through this post office each year.

Martinez Post Office Location


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