Columbia County, WA mailboxes and post offices

There are 6 United States Postal Service post boxes and offices available to the public in Columbia County. You can use any one of these locations to mail your letter or package via USPS. For additional collection boxes in neighboring communities, see the list of mailboxes in Washington.

Post Offices and Mailboxes in Washington

Where to buy postage stamps in Columbia County, WA

Public Collection Box
300 Fishook Park Rd
Directions