Ottawa County, Ohio
15 ZIP codes · 254.7 sq mi of land · FIPS 39123
| Population | 39,994 |
|---|---|
| State | Ohio |
| FIPS code | 39123 |
| Time zone | Eastern |
| Land area | 254.7 sq mi |
| Center (lat, long) | 41.5455, -83.0126 |
Area codes in this area
These are the area codes that most often serve Ottawa County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Clay CenterElmoreGenoaGraytownGypsumIsle Saint GeorgeLacarneLakeside MarbleheadMartinMiddle BassOak HarborPort ClintonPut In BayRocky RidgeWilliston
ZIP codes in Ottawa County
43408 Clay Center43416 Elmore43430 Genoa43432 Graytown43433 Gypsum43436 Isle Saint George43439 Lacarne43440 Lakeside Marblehead43445 Martin43446 Middle Bass43449 Oak Harbor43452 Port Clinton43456 Put In Bay43458 Rocky Ridge43468 Williston
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.