| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 98236 | Clinton | Island County | Standard |
| 98239 | Coupeville | Island County | Standard |
| 98249 | Freeland | Island County | Standard |
| 98253 | Greenbank | Island County | Standard |
| 98260 | Langley | Island County | Standard |
| 98277 | Oak Harbor | Island County | Standard |
| 98278 | Oak Harbor | Island County | Unique |
| 98282 | Camano Island | Island County | Standard |