| Locality | Post Code |
|---|---|
| Alexandria, Huntingdon | 16611 |
| Allensville, Huntingdon | 17002 |
| Aughwick, Huntingdon | 17066 |
| Bankstown, Huntingdon | 17052 |
| Barneytown, Huntingdon | 17052 |
| Barree, Huntingdon | 16611 |
| Birdville, Huntingdon | 17052 |
| Birmingham, Huntingdon | 16686 |
| Blacklog, Huntingdon | 17243 |
| Blairs Mills, Huntingdon | 17213 |
| Broad Top, Huntingdon | 16621 |
| Burnt Cabins, Huntingdon | 17215 |
| Calvin, Huntingdon | 16622 |
| Cassville, Huntingdon | 16623 |
| Cherry Grove, Huntingdon | 17264 |
| Dudley, Huntingdon | 16634 |
| Entriken, Huntingdon | 16638 |
| Hesston, Huntingdon | 16647 |
| Huntingdon, Huntingdon | 16652 |
| Hustontown, Huntingdon | 17229 |
| James Creek, Huntingdon | 16657 |
| Knightsville, Huntingdon | 17052 |
| Lack, Huntingdon | 17213 |
| Lucy Furnace, Huntingdon | 17066 |
| Maddensville, Huntingdon | 17243 |
| Mapleton Depot, Huntingdon | 17052 |