Post Office in Cowlitz County, WA

Longview Post Office
Longview Post Office

1603 Larch Street, Cowlitz County, WA 98632

360-636-8593

Castle Rock Post Office
Castle Rock Post Office

126 Cowlitz Street West, Cowlitz County, WA 98611

360-274-5209

Ariel Post Office
Ariel Post Office

5712 Lewis River Road, Cowlitz County, WA 98603

360-225-8703

Kalama Post Office
Kalama Post Office

454 North 1st Street, Cowlitz County, WA 98625

360-673-3567

Q&A

1. What services do post offices in the U.S. provide?

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U.S. post offices offer a variety of services including mailing and shipping, passport applications, P.O. Box rentals, money orders, and more.

2. How can I track my mail or package?

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You can track your mail or package using the tracking number provided at the time of shipment. Enter this number on the USPS website or app to see current delivery status.

3. What are the typical operating hours for a U.S. post office?

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Most post offices open from 9 AM to 5 PM on weekdays, with limited hours on Saturdays. However, hours can vary by location, so it’s best to check the specific branch.

4. How do I change my address with the USPS?

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You can change your address online through the USPS website or by filling out a change of address form at your local post office.

5. What should I do if my mail is lost or delayed?

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First, check the tracking status. If there are issues, you can file a claim or request assistance online or at your local post office.

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