Columbia County post codes
Codes
2| Place | Region | County | Code |
|---|---|---|---|
| Dayton | Washington (WA) | Columbia County | 99328 |
| Starbuck | Washington (WA) | Columbia County | 99359 |
About Columbia County
Columbia County is in Washington (WA), United States. It covers 2 places and 2 post codes in the 5 digits format.
This page contains 2 post code records. Every post code on this page maps to a single place.
Nearby counties include Garfield County, Walla Walla County, Adams County. Other counties in Washington (WA) include Adams County, Asotin County, Benton County.
Addresses in Columbia County usually include the place, county, state, post code, and country; confirm the local order before mailing.
At a glance
Address example
Postal formats vary by country; these are the address elements.
Shared post codes
Every post code on this page maps to a single place.
Location
FAQ
How many places are in Columbia County?
2
How many post codes are in Columbia County?
2
Which state is Columbia County in?
Washington (WA)
What is the post code format?
5 digits