7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 16239 | Marienville | 3,988 |
| 16353 | Tionesta | 2,459 |
| 16370 | West Hickory | 327 |
| 15828 | Clarington | 287 |
| 16322 | Endeavor | 117 |
| 16217 | Cooksburg | 87 |
| 16321 | East Hickory | 10 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Forest County, Pennsylvania (US Census).