14 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 26554 | Fairmont | 42,116 |
| 26582 | Mannington | 3,929 |
| 26588 | Rivesville | 2,911 |
| 26591 | Worthington | 1,609 |
| 26559 | Barrackville | 1,597 |
| 26571 | Farmington | 1,520 |
| 26576 | Idamay | 712 |
| 26585 | Metz | 663 |
| 26572 | Four States | 452 |
| 26574 | Grant Town | 405 |
| 26587 | Rachel | 191 |
| 26563 | Carolina | 188 |
| 26560 | Baxter | 153 |
| 26586 | Montana Mines | 63 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 14 ZCTAs in Marion County, West Virginia (US Census).