| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 44807 | Attica | Seneca County | Standard |
| 44811 | Bellevue | Huron County | Standard |
| 44826 | Collins | Huron County | Standard |
| 44837 | Greenwich | Huron County | Standard |
| 44847 | Monroeville | Huron County | Standard |
| 44850 | New Haven | Huron County | PO Box |
| 44851 | New London | Huron County | Standard |
| 44855 | North Fairfield | Huron County | Standard |
| 44857 | Norwalk | Huron County | Standard |
| 44865 | Plymouth | Huron County | Standard |
| 44878 | Shiloh | Richland County | Standard |
| 44888 | Willard | Huron County | Unique |
| 44889 | Wakeman | Huron County | Standard |
| 44890 | Willard | Huron County | Standard |