| Ortschaft | Postleitzahl |
|---|---|
| Adairo, Richland | 44878 |
| Bellville, Richland | 44813 |
| Bethlehem, Richland | 44875 |
| Butler, Richland | 44822 |
| Cool Ridge Heights, Richland | 44905 |
| East Mansfield, Richland | 44905 |
| Ganges, Richland | 44875 |
| Lexington, Richland | 44904 |
| Little London, Richland | 44875 |
| Little Washington, Richland | 44903 |
| Lucas, Richland | 44843 |
| Mansfield, Richland | 44902, 44903, 44904, 44905, 44906, … |
| North Liberty, Richland | 44822 |
| North Woodbury, Richland | 44813 |
| Ontario, Richland | 44903, 44906 |
| Pavonia, Richland | 44903 |
| Sharon, Richland | 44875 |
| Shelby, Richland | 44875 |
| Shenadoah, Richland | 44878 |
| Shiloh, Richland | 44878 |
| Steam Corners, Richland | 44904 |
| Taylortown, Richland | 44875 |