| Post Office | Butler |
| Division | Butler |
| Pincode | 16001 |
| Post Office | Cranberry Township |
| Division | Butler |
| Pincode | 16066 |
| Post Office | Mars |
| Division | Butler |
| Pincode | 16046 |
| Post Office | Butler |
| Division | Butler |
| Pincode | 16002 |
| Post Office | Slippery Rock |
| Division | Butler |
| Pincode | 16057 |
| Post Office | Valencia |
| Division | Butler |
| Pincode | 16059 |
31 City in Butler | List of Zip Codes Location In Pennsylvania and Your selected County Butler