Buy Postage Stamps in Castle Rock, WA

Post Offices and USPS-authorized retailers where postage stamps are sold in Castle Rock, WA.

All the locations below sell USPS postage stamps which can be used to mail First Class letters in the United States. We list both official post offices run by the United States Postal Service and retailers which have been authorized by USPS to sell postal products in Castle Rock.

Need to mail a letter? See

Post Offices & Mailboxes in Washington

Do you need Stamps?

Now you can print postage immediately using your home printer

Get a 4 week trial
Post Office Name City/State Address Phone Number Action
Castle Rock Post Office CASTLE ROCK, WA 98611 126 Cowlitz St W 3602745209 View Details Get Directions

Mailbox in nearby cities

City No. of Mailboxes UPS Mailboxes
LONGVIEW, WA 32 9
KELSO, WA 22 2
RAINIER, WA 5 1
CARROLLS, WA 4 1
KALAMA, WA 4 1
RYDERWOOD, WA 4 1
TOLEDO, WA 4 1
TOUTLE, WA 4 1
VADER, WA 4 1
WINLOCK, WA 4 1

Frequently asked questions