| Locality | Post Code |
|---|---|
| Addy, Stevens | 99101 |
| Cedonia, Stevens | 99137 |
| Chewelah, Stevens | 99109 |
| Clayton, Stevens | 99110 |
| Colville, Stevens | 99114 |
| Deer Lake, Stevens | 99148 |
| Evans, Stevens | 99126 |
| Ford, Stevens | 99013 |
| Fruitland, Stevens | 99129 |
| Gifford, Stevens | 99131 |
| Hunters, Stevens | 99137 |
| Kettle Falls, Stevens | 99141 |
| Loon Lake, Stevens | 99148 |
| Marcus, Stevens | 99151 |
| Northport, Stevens | 99157 |
| Rice, Stevens | 99167 |
| Springdale, Stevens | 99173 |
| Tumtum, Stevens | 99034 |
| Valley, Stevens | 99181 |
| Wellpinit, Stevens | 99040 |