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Castle Rock Post Office Hours

Retail Hours

Contact Numbers:

Phone: 360-274-5209
Monday-Friday 8:30am - 5:00pm
Saturday 11:00am - 1:00pm
Sunday Closed

Bulk Mail Acceptance Hours

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

Monday-Friday 7:00am - 5:00pm
Saturday 7:00am - 1:00pm
Sunday Closed

Lobby Hours

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

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

PO Box Delivery Time

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Wendy Allen (Postmaster)
126 Cowlitz St W
Castle Rock, WA 98611

The Castle Rock Post Office is located in the state of Washington within Cowlitz County. This location serves 9,133 Castle Rock residents with a median income of $52,240. It's estimated that approximately 14,577 packages pass through this post office each year.

Castle Rock Post Office Location

Castle Rock Washington Local Links