ZIP Code 98278
Oak Harbor · Island, Washington
98278 is the ZIP code of Oak Harbor in Island, Washington, United States.
- ZIP Code
- 98278
- County
- Island
- State
- Washington
- Country
- United States
Place with ZIP code 98278
| Place | County | Location |
|---|---|---|
| Oak Harbor | Island | 48.340, -122.669 |
Near Seattle
The nearest major city is Seattle, about 85 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 98278?
Oak Harbor.
Which county and state is 98278 in?
Island, Washington, United States.
What is the nearest major city to 98278?
Seattle, about 85 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.