ZIP CodesZIP codes in Defiance County, Ohio
Defiance County, Ohio has 8 ZIP codes in this list, from 43512 to 43556. They cover 8 places, among them Defiance, Evansport, Farmer and Hicksville.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 43512 | Defiance | 218 | 41.280, -84.363 |
| 43519 | Evansport | 1.3 | 41.422, -84.397 |
| 43520 | Farmer | 1.2 | 41.391, -84.631 |
| 43526 | Hicksville | 76.1 | 41.303, -84.759 |
| 43530 | Jewell | 0.1 | 41.326, -84.279 |
| 43536 | Mark Center | 16.8 | 41.292, -84.628 |
| 43549 | Ney | 29.4 | 41.378, -84.527 |
| 43556 | Sherwood | 32.0 | 41.295, -84.542 |
The ZIP code areas of Defiance County add up to about 375 square miles of land (970 sq km) as the Census Bureau draws them. The largest is 43512 (Defiance), with 218 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Defiance, OH 43512.
- 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.