| Ortschaft | Postleitzahl |
|---|---|
| Adena, Jefferson | 43901 |
| Amsterdam, Jefferson | 43903 |
| Bergholz, Jefferson | 43908 |
| Bloomingdale, Jefferson | 43910 |
| Brilliant, Jefferson | 43913 |
| Connorsville, Jefferson | 43943 |
| Cream City, Jefferson | 43932 |
| Dillonvale, Jefferson | 43917 |
| Dunglen, Jefferson | 43917 |
| East Springfield, Jefferson | 43925 |
| Empire, Jefferson | 43926 |
| Georges Run, Jefferson | 43938 |
| Glen Robbins, Jefferson | 43943 |
| Hammondsville, Jefferson | 43930 |
| Irondale, Jefferson | 43932 |
| Mingo Junction, Jefferson | 43938 |
| Mount Pleasant, Jefferson | 43939 |
| New Alexandria, Jefferson | 43938 |
| Piney Fork, Jefferson | 43941 |
| Rayland, Jefferson | 43943 |
| Richmond, Jefferson | 43944 |
| Smithfield, Jefferson | 43948 |
| Steubenville, Jefferson | 43952, 43953 |
| Stratton, Jefferson | 43961 |
| Tidd Dale, Jefferson | 43913 |
| Tiltonsville, Jefferson | 43963 |