| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 43787 | Stockport | Morgan County | Standard |
| 45711 | Amesville | Athens County | Standard |
| 45712 | Barlow | Washington County | PO Box |
| 45713 | Bartlett | Washington County | PO Box |
| 45714 | Belpre | Washington County | Standard |
| 45715 | Beverly | Morgan County | Standard |
| 45721 | Coal Run | Washington County | Standard |
| 45723 | Coolville | Athens County | Standard |
| 45724 | Cutler | Washington County | Standard |
| 45729 | Fleming | Washington County | Standard |
| 45734 | Graysville | Monroe County | Standard |
| 45742 | Little Hocking | Washington County | Standard |
| 45744 | Lowell | Washington County | Standard |
| 45745 | Lower Salem | Noble County | Standard |
| 45746 | Macksburg | Washington County | Standard |
| 45750 | Marietta | Washington County | Standard |
| 45767 | New Matamoras | Washington County | Standard |
| 45768 | Newport | Washington County | Standard |
| 45773 | Reno | Washington County | Standard |
| 45784 | Vincent | Washington County | Standard |
| 45786 | Waterford | Washington County | Standard |
| 45787 | Watertown | Washington County | PO Box |
| 45788 | Whipple | Washington County | Standard |
| 45789 | Wingett Run | Washington County | Standard |