ZIP CodesZIP codes in Darke County, Ohio
Darke County, Ohio has 15 ZIP codes in this list, from 45303 to 45390. They cover 15 places, among them Ansonia, Arcanum, Gettysburg and Greenville.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 45303 | Ansonia | 31.1 | 40.215, -84.641 |
| 45304 | Arcanum | 85.2 | 39.989, -84.531 |
| 45328 | Gettysburg | 0.4 | 40.115, -84.493 |
| 45331 | Greenville | 151 | 40.099, -84.634 |
| 45332 | Hollansburg | 13.5 | 39.990, -84.790 |
| 45346 | New Madison | 40.2 | 39.969, -84.722 |
| 45348 | New Weston | 29.8 | 40.335, -84.631 |
| 45350 | North Star | 0.2 | 40.324, -84.574 |
| 45351 | Osgood | 0.3 | 40.341, -84.496 |
| 45352 | Palestine | 0.1 | 40.050, -84.746 |
| 45358 | Pitsburg | 0.2 | 39.987, -84.487 |
| 45362 | Rossburg | 31.9 | 40.295, -84.626 |
| 45380 | Versailles | 68.8 | 40.227, -84.496 |
| 45388 | Yorkshire | 17.5 | 40.328, -84.484 |
| 45390 | Union City | 53.6 | 40.202, -84.783 |
The ZIP code areas of Darke County add up to about 524 square miles of land (1,357 sq km) as the Census Bureau draws them. The largest is 45331 (Greenville), with 151 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Ansonia, OH 45303.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.