Hay ZIP code, Washington
The ZIP code for Hay, WA is 99136, and its area code is 509.
- USPS city name
- 1 ZIP code
- Population
- 14
- Area code
- 509
- County
- Whitman County
- State
- Washington
NANPA lists no telephone rate centre for Hay itself, so these are the area codes of the nearest one, Lacrosse (7.9 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Hay
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
99136 | Hay , WA | Standard | 14 | $87,708 | — |
Map of Hay ZIP codes
The ZIP codes of Hay, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Hay
The nearest larger towns are LaCrosse (357 people, 8.5 mi), Starbuck (93 people, 14 mi) and Washtucna (292 people, 18 mi).
| Town | Population | Distance |
|---|---|---|
| Dayton | 2,774 | 24.8 mi |
More nearby: every ZIP code in Whitman County · Washington ZIP codes
Cite this page
zipcodes.pro. “Hay, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/hay
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