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Middletown Post Office Hours

Retail Hours

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

Bulk Mail Acceptance Hours

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

Monday-Friday 8:15am - 5:00pm
Saturday 8:00am - 11:00am
Sunday Closed

Lobby Hours

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

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

PO Box Delivery Time

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21177 Calistoga Rd
Middletown, CA 95461

The Middletown Post Office is located in the state of California within Lake County. This location serves 3,413 Middletown residents with a median income of $52,917. It's estimated that approximately 5,448 packages pass through this post office each year.

Middletown Post Office Location 95461

Middletown California Local Links

Post Offices Near Middletown by ZIP Code