United States Post Office

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116 Cowlitz St W
Castle Rock, WA 98611

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4.01 reviews
Photo of Jennifer J.
Jennifer J.
8/11/2025

This nifty little P.O. was a convenient spot to drop off some postcards on our recent RV trip. It's located right in downtown Castle Rock, with plenty of parking, and (even on a weekend) the doors...

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Visit your local Post Office™ at 126 Cowlitz St W to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more

USPS

Visit your local Post OfficeTM at 126 Cowlitz St W! The U.S. Postal Service (USPS) is the only organization in the country to regularly deliver to every residential and business address. USPS is actively recruiting for many positions, including: mail and package delivery (city and rural); truck driving (delivery truck and tractor trailer); processing plant; and more opportunities to fit your needs. Learn more about USPS top jobs on our website.
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