19 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 44460 | Salem | 25,082 |
| 43920 | East Liverpool | 21,103 |
| 44432 | Lisbon | 12,030 |
| 44408 | Columbiana | 11,159 |
| 44413 | East Palestine | 7,397 |
| 43968 | Wellsville | 6,623 |
| 44431 | Leetonia | 4,788 |
| 44445 | New Waterford | 2,914 |
| 43945 | Salineville | 2,910 |
| 44423 | Hanoverton | 2,177 |
| 44634 | Homeworth | 1,837 |
| 44455 | Rogers | 1,597 |
| 44441 | Negley | 1,571 |
| 44625 | East Rochester | 962 |
| 44490 | Washingtonville | 597 |
| 44415 | Elkton | 345 |
| 44665 | North Georgetown | 104 |
| 43962 | Summitville | 67 |
| 44493 | Winona | 51 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 19 ZCTAs in Columbiana County, Ohio (US Census).