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Kelso Post Office Hours

Retail Hours

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

Bulk Mail Acceptance Hours

Monday-Tuesday 8:30am - 3:00pm
Wednesday-Friday 8:30am - 3:30pm
Saturday-Sunday Closed

Monday-Friday 5:00am - 8:30am
Saturday 5:00am - 11:30am, 2:30pm - 5:00pm
Sunday Closed

Lobby Hours

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

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Jane A Williams (Postmaster)
304 Academy St
Kelso, WA 98626

The Kelso Post Office is located in the state of Washington within Cowlitz County. This location serves 24,523 Kelso residents with a median income of $44,295. It's estimated that approximately 39,141 packages pass through this post office each year.

Kelso Post Office Location

Kelso Washington Local Links