Union, WA ZIP Codes, Coordinates & Counties
Union, Washington has 1 ZIP code in Mason county. The approximate center of Union is 47.326, -123.08. Union has about 12,744 known street addresses.
ZIP codes in Union, WA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 98592 | Mason | 47.326 | -123.08 |
Counties Union spans
Mason
Most common streets in Union
Spruce, Laurel, 5th, Warren, Pinedirosa, Hyland, Dogwood, Susan, Hemlock, Main
Frequently asked questions
What ZIP codes are in Union, WA?
Union, Washington has 1 ZIP code, ranging from 98592 to 98592. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Union, WA in?
Union is in Mason county.
What are the latitude and longitude of Union, WA?
The approximate center of Union, Washington is latitude 47.326, longitude -123.08. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Union, WA have?
Union has 1 ZIP code.
How many addresses are in Union, WA?
Union, Washington has about 12,744 known street addresses in the sthan.io US address database.
What are the most common streets in Union, WA?
Some of the most common street names in Union are Spruce, Laurel, 5th, Warren, Pinedirosa, Hyland.
What cities are near Union, WA?
Cities near Union include Shelton (7 mi), Grapeview (7 mi), Tahuya (9 mi), Allyn (10 mi), Belfair (12 mi).
Cities near Union
Shelton, WA (7 mi) Grapeview, WA (7 mi) Tahuya, WA (9 mi) Allyn, WA (10 mi) Belfair, WA (12 mi) Hoodsport, WA (14 mi) Vaughn, WA (14 mi) Lilliwaup, WA (15 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database