13 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 43725 | Cambridge | 19,728 |
| 43723 | Byesville | 4,490 |
| 43773 | Quaker City | 2,798 |
| 43780 | Senecaville | 2,187 |
| 43749 | Kimbolton | 2,177 |
| 43732 | Cumberland | 1,837 |
| 43778 | Salesville | 1,595 |
| 43755 | Lore City | 1,561 |
| 43722 | Buffalo | 657 |
| 43768 | Old Washington | 256 |
| 43750 | Kipling | 144 |
| 43733 | Derwent | 69 |
| 43736 | Fairview | 23 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 13 ZCTAs in Guernsey County, Ohio (US Census).