| County | City | Zip |
| Clark | Amboy | 98601 |
| Clark | Battle Ground | 98604 |
| Clark | Brush Prairie | 98606 |
| Clark | Camas | 98607 |
| Clark | Heisson | 98622 |
| Clark | La Center | 98629 |
| Clark | Ridgefield | 98642 |
| Clark | Vancouver | 98660 |
| Clark | Vancouver | 98661 |
| Clark | Vancouver | 98662 |
| Clark | Vancouver | 98663 |
| Clark | Vancouver | 98664 |
| Clark | Vancouver | 98665 |
| Clark | Vancouver | 98666 |
| Clark | Vancouver | 98667 |
| Clark | Vancouver | 98668 |
| Clark | Washougal | 98671 |
| Clark / Cowlitz | Woodland | 98674 |
| Clark | Yacolt | 98675 |
| Clark | Vancouver | 98682 |
| Clark | Vancouver | 98683 |
| Clark | Vancouver | 98684 |
| Clark | Vancouver | 98685 |
| Clark | Vancouver | 98686 |
| Clark | Vancouver | 98687 |