14 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 26554 | Fairmont | 41,983 |
| 26582 | Mannington | 3,770 |
| 26588 | Rivesville | 3,032 |
| 26591 | Worthington | 1,924 |
| 26559 | Barrackville | 1,541 |
| 26571 | Farmington | 1,483 |
| 26585 | Metz | 755 |
| 26576 | Idamay | 737 |
| 26572 | Four States | 545 |
| 26574 | Grant Town | 439 |
| 26587 | Rachel | 268 |
| 26563 | Carolina | 237 |
| 26560 | Baxter | 150 |
| 26586 | Montana Mines | 53 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 14 ZCTAs in Marion County, West Virginia (US Census).