Find complete information about all ZIP codes in Washington-township, Ohio. Our interactive map shows the postal code boundaries and locations throughout the city.
The postal system in Washington-township is organized to efficiently serve both residential and commercial areas. Each ZIP code represents a specific delivery zone within the city limits.

| City | Name | Zip Code | Type | Population |
|---|---|---|---|---|
| Washington Township, OH | IMPROPER | 45440 | STANDARD | 18.060 |
| Washington Township, OH | ACCEPTABLE | 45458 | STANDARD | 26.491 |
| Washington Township, OH | ACCEPTABLE | 45459 | STANDARD | 24.977 |
| Washington Township, OH | IMPROPER | 45475 | PO BOX | indefined |
| City | Name | Zip Code | Type | Population |
|---|---|---|---|---|
| Washington Township, OH | IMPROPER | 45440 | STANDARD | 18.060 |
| Washington Township, OH | ACCEPTABLE | 45458 | STANDARD | 26.491 |
| Washington Township, OH | ACCEPTABLE | 45459 | STANDARD | 24.977 |
| Washington Township, OH | IMPROPER | 45475 | PO BOX | indefined |