13 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 43725 | Cambridge | 19,453 |
| 43723 | Byesville | 4,472 |
| 43749 | Kimbolton | 2,764 |
| 43773 | Quaker City | 2,546 |
| 43780 | Senecaville | 2,515 |
| 43732 | Cumberland | 1,813 |
| 43755 | Lore City | 1,750 |
| 43778 | Salesville | 1,378 |
| 43722 | Buffalo | 617 |
| 43768 | Old Washington | 211 |
| 43750 | Kipling | 110 |
| 43733 | Derwent | 66 |
| 43736 | Fairview | 14 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 13 ZCTAs in Guernsey County, Ohio (US Census).