13 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 25550 | Point Pleasant | 8,925 |
| 25123 | Leon | 2,827 |
| 25515 | Gallipolis Ferry | 2,319 |
| 25253 | Letart | 2,246 |
| 25265 | New Haven | 1,616 |
| 25260 | Mason | 1,494 |
| 25287 | West Columbia | 1,104 |
| 25187 | Southside | 739 |
| 25503 | Ashton | 654 |
| 25502 | Apple Grove | 627 |
| 25264 | Mount Alto | 583 |
| 25247 | Hartford | 507 |
| 25106 | Henderson | 324 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 13 ZCTAs in Mason County, West Virginia (US Census).