| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 43101 | Adelphi | Ross County | PO Box |
| 43115 | Clarksburg | Ross County | Standard |
| 43135 | Laurelville | Hocking County | Standard |
| 43160 | Washington Court House | Fayette County | Standard |
| 43164 | Williamsport | Pickaway County | Standard |
| 45123 | Greenfield | Highland County | Standard |
| 45601 | Chillicothe | Ross County | Standard |
| 45612 | Bainbridge | Ross County | Standard |
| 45617 | Bourneville | Ross County | PO Box |
| 45628 | Frankfort | Ross County | Standard |
| 45633 | Hallsville | Ross County | PO Box |
| 45644 | Kingston | Ross County | Standard |
| 45647 | Londonderry | Vinton County | Standard |
| 45673 | Richmond Dale | Ross County | Standard |
| 45681 | South Salem | Ross County | Standard |
| 45690 | Waverly | Pike County | Standard |