| City/Town | Postal Code | Area Code |
| Bridgeport, WA | 98813 | 509 |
| Douglas, WA | 98858 | 509 |
| East Wenatchee, WA | 98802 | 509 |
| Farmer, WA | 98858 | 509 |
| Mansfield, WA | 98830 | 509 |
| Orondo, WA | 98843 | 509 |
| Palisades, WA | 98845 | 509 |
| Rock Island, WA | 98850 | 509 |
| Waterville, WA | 98858 | 509 |
| Wenatchee, WA | 98802 | 509 |
| Withrow, WA | 98858 | 509 |