Richland, WA ZIP Codes
Richland, Washington has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which Richland ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Richland ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Richland city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Richland ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 99352 | street delivery Richland |
| 99354 | street delivery Pasco Sorting and Delivery Center |
ZIP codes from nearby towns that reach into Richland
- 99353, mailing town West Richland, covers 3 percent of Richland
Why your mail may say Richland when you live outside it
A letter addressed to Richland can go to a home outside the city limits, because ZIP areas follow delivery routes, not town lines.
The reverse happens too: parts of Richland use 99353, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Benton County property records show which city you are in.
Richland ZIP code questions
What is the main ZIP code for Richland?
99352, the ZIP code of the main Richland post office at 639 Cullum Ave.
What county is Richland in?
Benton County.
ZIP codes for towns near Richland
More towns near Richland: Lewiston, Spokane, Spokane Valley, Post Falls, Graham, South Hill, Coeur d'Alene, Puyallup, Auburn.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections