| Locality | Post Code |
|---|---|
| Acme, Fayette | 15610 |
| Adah, Fayette | 15410 |
| Allison, Fayette | 15413 |
| Belle Vernon, Fayette | 15012 |
| Brier Hill, Fayette | 15415 |
| Brownfield, Fayette | 15416 |
| Brownsville, Fayette | 15417 |
| Cardale, Fayette | 15420 |
| Chalk Hill, Fayette | 15421 |
| Champion, Fayette | 15622 |
| Chestnut Ridge, Fayette | 15422 |
| Confluence, Fayette | 15424 |
| Connellsville, Fayette | 15425 |
| Dawson, Fayette | 15428 |
| Dickerson Run, Fayette | 15430 |
| Dunbar, Fayette | 15431 |
| East Millsboro, Fayette | 15433 |
| Everson, Fayette | 15631 |
| Fairbank, Fayette | 15435 |
| Fairchance, Fayette | 15436 |
| Farmington, Fayette | 15437 |
| Fayette City, Fayette | 15438 |
| Gans, Fayette | 15439 |
| Gibbon Glade, Fayette | 15440 |
| Greene Junction, Fayette | 15425 |
| Grindstone, Fayette | 15442 |