DAYTON POST OFFICE 99328

Dayton Post Office Hours


Retail Hours

Contact Numbers:

Phone: 509-382-4431
Monday-Friday 8:30am - 5:00pm
Saturday 9:00am - 11:00am
Sunday Closed

Bulk Mail Acceptance Hours

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

Monday-Friday 8:30am - 5:00pm
Saturday 9:00am - 11:00am
Sunday Closed

Lobby Hours

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

USPS Shipping Rate Calculator

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Loren C Jensen (Postmaster) loren.c.jensen@usps.gov
202 S 2nd St
Dayton, WA 99328

The Dayton Post Office is located in the state of Washington within Columbia County. This location serves 3,733 Dayton residents with a median income of $45,156. It's estimated that approximately 5,958 packages pass through this post office each year.

Dayton Post Office Location


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