Postal entity record
US 99328 Postal Code Data Source-backed
99328 postal code facts for Dayton, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceDayton
RegionWA
Nearby rows11
Key metadata
| Place | Dayton |
|---|---|
| Admin area | Washington / WA |
| Local area | Columbia |
| Coordinates | 46.3075, -117.9738 |
| GeoNames accuracy | 4 |
| Source | GeoNames postal code data |
| License | GeoNames postal data; provided as-is with attribution required. |
| Snapshot date | 2026-06-02 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 99361 | Waitsburg | Washington | 8.6 mi |
| 99329 | Dixie | Washington | 14.4 mi |
| 99359 | Starbuck | Washington | 15.5 mi |
| 99348 | Prescott | Washington | 21 mi |
| 99347 | Pomeroy | Washington | 21.1 mi |
| 99362 | Walla Walla | Washington | 24.1 mi |
| 99136 | Hay | Washington | 27 mi |
| 99324 | College Place | Washington | 27.5 mi |
| 97862 | Milton Freewater | Oregon | 31.9 mi |
| 99333 | Hooper | Washington | 32 mi |
| 99143 | Lacrosse | Washington | 33.5 mi |