| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Amboy, Clark | 98601 |
| Postal/ZIP Codes in Battle Ground, Clark | 98604 |
| Postal/ZIP Codes in Brush Prairie, Clark | 98606 |
| Postal/ZIP Codes in Camas, Clark | 98607 |
| Postal/ZIP Codes in Chelatchie, Clark | 98601 |
| Postal/ZIP Codes in Heisson, Clark | 98622 |
| Postal/ZIP Codes in La Center, Clark | 98629 |
| Postal/ZIP Codes in Orchards, Clark | 98662 |
| Postal/ZIP Codes in Ridgefield, Clark | 98642 |
| Postal/ZIP Codes in Vancouver, Clark | 98660, 98661, 98662, 98663, 98664, … |
| Postal/ZIP Codes in Washougal, Clark | 98671 |
| Postal/ZIP Codes in Yacolt, Clark | 98675 |