Oak Harbor, WA ZIP Codes, Coordinates & Counties
Oak Harbor, Washington has 2 ZIP codes in Island county. The approximate center of Oak Harbor is 48.329, -122.648. Oak Harbor has about 180,633 known street addresses.
ZIP codes in Oak Harbor, WA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 98277 | Island | 48.316 | -122.632 |
| 98278 | Island | 48.341 | -122.663 |
Counties Oak Harbor spans
Island
Most common streets in Oak Harbor
8th, 6th, 7th, 9th, 2nd, 4th, 3rd, 10th, Pioneer, Lexington
Frequently asked questions
What ZIP codes are in Oak Harbor, WA?
Oak Harbor, Washington has 2 ZIP codes, ranging from 98277 to 98278. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Oak Harbor, WA in?
Oak Harbor is in Island county.
What are the latitude and longitude of Oak Harbor, WA?
The approximate center of Oak Harbor, Washington is latitude 48.329, longitude -122.648. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Oak Harbor, WA have?
Oak Harbor has 2 ZIP codes.
How many addresses are in Oak Harbor, WA?
Oak Harbor, Washington has about 180,633 known street addresses in the sthan.io US address database.
What are the most common streets in Oak Harbor, WA?
Some of the most common street names in Oak Harbor are 8th, 6th, 7th, 9th, 2nd, 4th.
What cities are near Oak Harbor, WA?
Cities near Oak Harbor include Coupeville (9 mi), La Conner (9 mi), Anacortes (12 mi), Camano Island (13 mi), Conway (14 mi).
Cities near Oak Harbor
Coupeville, WA (9 mi) La Conner, WA (9 mi) Anacortes, WA (12 mi) Camano Island, WA (13 mi) Conway, WA (14 mi) Lopez Island, WA (15 mi) Greenbank, WA (17 mi) Stanwood, WA (17 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database