| 98236 Clinton | 360/564 | Island County | Washington (WA) |
| 98236 Maxwelton | 360/564 | Island County | Washington (WA) |
| 98236 Possession | 360/564 | Island County | Washington (WA) |
| 98239 Coupeville | 360/564 | Island County | Washington (WA) |
| 98249 Freeland | 360/564 | Island County | Washington (WA) |
| 98253 Greenbank | 360/564 | Island County | Washington (WA) |
| 98260 Langley | 360/564 | Island County | Washington (WA) |
| 98277 Oak Harbor | 360/564 | Island County | Washington (WA) |
| 98277 Ault Field | 360/564 | Island County | Washington (WA) |
| 98278 Nas Whidbey | 360/564 | Island County | Washington (WA) |
| 98278 Oak Harbor | 360/564 | Island County | Washington (WA) |
| 98278 Whidbey Island Naval Air | 360/564 | Island County | Washington (WA) |
| 98278 Whidbey Nas | 360/564 | Island County | Washington (WA) |
| 98282 Camano Island | 360/564 | Island County | Washington (WA) |
| 98282 Stanwood | 360/564 | Island County | Washington (WA) |