| Locality | Post Code |
|---|---|
| Altoona, Blair | 16601, 16602 |
| Antis, Blair | 16617 |
| Bakers Summit, Blair | 16673 |
| Bellwood, Blair | 16617 |
| Claysburg, Blair | 16625 |
| Curryville, Blair | 16631 |
| Duncansville, Blair | 16635 |
| East Freedom, Blair | 16637 |
| Ganister, Blair | 16693 |
| Hollidaysburg, Blair | 16648 |
| Martinsburg, Blair | 16662 |
| Newry, Blair | 16665 |
| Roaring Spring, Blair | 16673 |
| Sproul, Blair | 16682 |
| Tipton, Blair | 16684 |
| Tyrone, Blair | 16686 |
| Williamsburg, Blair | 16693 |