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Ottawa ZIP Codes — Ohio (OH)
| City or Location | County or District | States or Territories | States or Territories Abbrieviation | ZIP Code or Postcode |
|---|---|---|---|---|
| Clay Center | Ottawa | Ohio | OH | 43408 |
| Curtice | Ottawa | Ohio | OH | 43412 |
| Elmore | Ottawa | Ohio | OH | 43416 |
| Genoa | Ottawa | Ohio | OH | 43430 |
| Graytown | Ottawa | Ohio | OH | 43432 |
| Gypsum | Ottawa | Ohio | OH | 43433 |
| Isle Saint George | Ottawa | Ohio | OH | 43436 |
| Lacarne | Ottawa | Ohio | OH | 43439 |
| Lakeside Marblehead | Ottawa | Ohio | OH | 43440 |
| Martin | Ottawa | Ohio | OH | 43445 |
| Middle Bass | Ottawa | Ohio | OH | 43446 |
| Oak Harbor | Ottawa | Ohio | OH | 43449 |
| Port Clinton | Ottawa | Ohio | OH | 43452 |
| Put In Bay | Ottawa | Ohio | OH | 43456 |
| Rocky Ridge | Ottawa | Ohio | OH | 43458 |
| Williston | Ottawa | Ohio | OH | 43468 |
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