Onalaska, WA ZIP Codes, Coordinates & Counties
Onalaska, Washington has 1 ZIP code in Lewis county. The approximate center of Onalaska is 46.638, -122.637. Onalaska has about 13,099 known street addresses.
ZIP codes in Onalaska, WA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 98570 | Lewis | 46.638 | -122.637 |
Counties Onalaska spans
Lewis
Most common streets in Onalaska
2nd, Central, Leonard, Carlisle, Main, August, Tamaracks, Spencer, Johnson, Beck
Frequently asked questions
What ZIP codes are in Onalaska, WA?
Onalaska, Washington has 1 ZIP code, ranging from 98570 to 98570. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Onalaska, WA in?
Onalaska is in Lewis county.
What are the latitude and longitude of Onalaska, WA?
The approximate center of Onalaska, Washington is latitude 46.638, longitude -122.637. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Onalaska, WA have?
Onalaska has 1 ZIP code.
How many addresses are in Onalaska, WA?
Onalaska, Washington has about 13,099 known street addresses in the sthan.io US address database.
What are the most common streets in Onalaska, WA?
Some of the most common street names in Onalaska are 2nd, Central, Leonard, Carlisle, Main, August.
What cities are near Onalaska, WA?
Cities near Onalaska include Salkum (8 mi), Ethel (9 mi), Silver Creek (9 mi), Cinebar (10 mi), Napavine (13 mi).
Cities near Onalaska
Salkum, WA (8 mi) Ethel, WA (9 mi) Silver Creek, WA (9 mi) Cinebar, WA (10 mi) Napavine, WA (13 mi) Bucoda, WA (14 mi) Rainier, WA (14 mi) Toledo, WA (14 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database