Dayton, WA ZIP Codes, Coordinates & Counties
Dayton, Washington has 1 ZIP code in Columbia county. The approximate center of Dayton is 46.257, -117.865. Dayton has about 41,770 known street addresses.
ZIP codes in Dayton, WA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 99328 | Columbia | 46.257 | -117.865 |
Counties Dayton spans
Columbia
Most common streets in Dayton
3rd, 4th, 2nd, 5th, 6th, 1st, Clay, Richmond, Washington, Commercial
Frequently asked questions
What ZIP codes are in Dayton, WA?
Dayton, Washington has 1 ZIP code, ranging from 99328 to 99328. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Dayton, WA in?
Dayton is in Columbia county.
What are the latitude and longitude of Dayton, WA?
The approximate center of Dayton, Washington is latitude 46.257, longitude -117.865. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Dayton, WA have?
Dayton has 1 ZIP code.
How many addresses are in Dayton, WA?
Dayton, Washington has about 41,770 known street addresses in the sthan.io US address database.
What are the most common streets in Dayton, WA?
Some of the most common street names in Dayton are 3rd, 4th, 2nd, 5th, 6th, 1st.
What cities are near Dayton, WA?
Cities near Dayton include Waitsburg (13 mi), Dixie (15 mi), Pomeroy (19 mi), Starbuck (22 mi), Walla Walla (24 mi).
Cities near Dayton
Waitsburg, WA (13 mi) Dixie, WA (15 mi) Pomeroy, WA (19 mi) Starbuck, WA (22 mi) Walla Walla, WA (24 mi) College Place, WA (29 mi) Prescott, WA (29 mi) Hay, WA (29 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database