| Post Office | Kittanning |
| Division | Armstrong |
| Pincode | 16201 |
| Post Office | Leechburg |
| Division | Armstrong |
| Pincode | 15656 |
| Post Office | Ford City |
| Division | Armstrong |
| Pincode | 16226 |
| Post Office | Freeport |
| Division | Armstrong |
| Pincode | 16229 |
| Post Office | Dayton |
| Division | Armstrong |
| Pincode | 16222 |
| Post Office | Worthington |
| Division | Armstrong |
| Pincode | 16262 |
| Post Office | Templeton |
| Division | Armstrong |
| Pincode | 16259 |
| Post Office | Rural Valley |
| Division | Armstrong |
| Pincode | 16249 |
| Post Office | East Brady |
| Division | Armstrong |
| Pincode | 16028 |
26 City in Armstrong | List of Zip Codes Location In Pennsylvania and Your selected County Armstrong