19 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 44460 | Salem | 25,289 |
| 43920 | East Liverpool | 21,124 |
| 44432 | Lisbon | 12,029 |
| 44408 | Columbiana | 10,924 |
| 44413 | East Palestine | 7,329 |
| 43968 | Wellsville | 6,445 |
| 44431 | Leetonia | 4,607 |
| 44445 | New Waterford | 3,067 |
| 43945 | Salineville | 2,620 |
| 44423 | Hanoverton | 2,515 |
| 44634 | Homeworth | 1,783 |
| 44455 | Rogers | 1,662 |
| 44441 | Negley | 1,564 |
| 44625 | East Rochester | 945 |
| 44490 | Washingtonville | 696 |
| 44415 | Elkton | 394 |
| 44493 | Winona | 119 |
| 44665 | North Georgetown | 119 |
| 43962 | Summitville | 63 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 19 ZCTAs in Columbiana County, Ohio (US Census).