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Lathrop Post Office Hours

Retail Hours

Monday-Friday 9:00am - 5:00pm
Saturday-Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 9:00am - 4:00pm
Saturday-Sunday Closed

Monday-Friday 8:00am - 5:00pm
Saturday 7:30am - 10:30am
Sunday Closed
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Margaret I Klein (Postmaster) margaret.i.klein@usps.gov
15529 7th St
Lathrop, CA 95330

The Lathrop Post Office is located in the state of California within San Joaquin County. This location serves 17,853 Lathrop residents with a median income of $62,101. It's estimated that approximately 28,495 packages pass through this post office each year.

Lathrop Post Office Location 95330

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