| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Boyds, Ferry | 99107 |
| Postal/ZIP Codes in Curlew, Ferry | 99118 |
| Postal/ZIP Codes in Danville, Ferry | 99121 |
| Postal/ZIP Codes in Inchelium, Ferry | 99138 |
| Postal/ZIP Codes in Keller, Ferry | 99140 |
| Postal/ZIP Codes in Kettle Falls, Ferry | 99107, 99160 |
| Postal/ZIP Codes in Kewa, Ferry | 99138 |
| Postal/ZIP Codes in Laurier, Ferry | 99146 |
| Postal/ZIP Codes in Malo, Ferry | 99150 |
| Postal/ZIP Codes in Orient, Ferry | 99160 |
| Postal/ZIP Codes in Republic, Ferry | 99166 |