| Ortschaft | Postleitzahl |
|---|---|
| Barlow, Washington | 45712 |
| Bartlett, Washington | 45713 |
| Belpre, Washington | 45714 |
| Beverly, Washington | 45715 |
| Coal Run, Washington | 45721 |
| Cutler, Washington | 45724 |
| Dungannon, Washington | 45721 |
| Elba, Washington | 45746 |
| Fleming, Washington | 45729 |
| Fly, Washington | 45767 |
| Little Hocking, Washington | 45742 |
| Lowell, Washington | 45744 |
| Lower Salem, Washington | 45745 |
| Macksburg, Washington | 45746 |
| Marietta, Washington | 45750 |
| Matamoras, Washington | 45767 |
| New Matamoras, Washington | 45767 |
| Newport, Washington | 45768 |
| Reno, Washington | 45773 |
| Rinard Mills, Washington | 45734, 45767 |
| Vincent, Washington | 45784 |
| Warner, Washington | 45745 |
| Waterford, Washington | 45786 |
| Watertown, Washington | 45787 |
| Whipple, Washington | 45788 |
| Wingett Run, Washington | 45789 |