ZIP CodesZIP codes in Ottawa County, Ohio
Ottawa County, Ohio has 16 ZIP codes in this list, from 43408 to 43468. They cover 16 places, among them Clay Center, Curtice, Elmore and Genoa.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 43408 | Clay Center | 0.7 | 41.569, -83.363 |
| 43412 | Curtice | 27.6 | 41.648, -83.286 |
| 43416 | Elmore | 28.2 | 41.468, -83.277 |
| 43430 | Genoa | 25.6 | 41.530, -83.359 |
| 43432 | Graytown | 21.7 | 41.565, -83.261 |
| 43433 | Gypsum | 0.5 | 41.504, -82.871 |
| 43436 | Isle Saint George | 1.1 | 41.715, -82.823 |
| 43439 | Lacarne | 0.0 | 41.518, -83.041 |
| 43440 | Lakeside Marblehead | 15.9 | 41.525, -82.777 |
| 43445 | Martin | 20.3 | 41.569, -83.312 |
| 43446 | Middle Bass | 1.3 | 41.684, -82.805 |
| 43449 | Oak Harbor | 83.8 | 41.524, -83.128 |
| 43452 | Port Clinton | 46.2 | 41.512, -82.938 |
| 43456 | Put In Bay | 2.5 | 41.651, -82.823 |
| 43458 | Rocky Ridge | 1.0 | 41.530, -83.213 |
| 43468 | Williston | 1.6 | 41.604, -83.340 |
The ZIP code areas of Ottawa County add up to about 278 square miles of land (720 sq km) as the Census Bureau draws them. The largest is 43449 (Oak Harbor), with 83.8 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Clay Center, OH 43408.
- 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.