23 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 15370 | Waynesburg | 13,462 |
| 15320 | Carmichaels | 4,558 |
| 15322 | Clarksville | 1,892 |
| 15357 | Rices Landing | 1,572 |
| 15344 | Jefferson | 1,541 |
| 15349 | Mount Morris | 1,498 |
| 15338 | Greensboro | 1,356 |
| 15351 | Nemacolin | 1,306 |
| 15327 | Dilliner | 1,092 |
| 15315 | Bobtown | 1,078 |
| 15380 | Wind Ridge | 730 |
| 15341 | Holbrook | 664 |
| 15352 | New Freeport | 635 |
| 15364 | Sycamore | 628 |
| 15362 | Spraggs | 550 |
| 15346 | Mather | 509 |
| 15337 | Graysville | 474 |
| 15334 | Garards Fort | 339 |
| 15359 | Rogersville | 330 |
| 15310 | Aleppo | 296 |
| 15325 | Crucible | 269 |
| 15316 | Brave | 231 |
| 15353 | Nineveh | 67 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 23 ZCTAs in Greene County, Pennsylvania (US Census).