| Post Office | Greenville |
| Division | Mercer |
| Pincode | 16125 |
| Post Office | Hermitage |
| Division | Mercer |
| Pincode | 16148 |
| Post Office | Grove City |
| Division | Mercer |
| Pincode | 16127 |
| Post Office | Sharon |
| Division | Mercer |
| Pincode | 16146 |
| Post Office | Mercer |
| Division | Mercer |
| Pincode | 16137 |
| Post Office | Sharpsville |
| Division | Mercer |
| Pincode | 16150 |
| Post Office | West Middlesex |
| Division | Mercer |
| Pincode | 16159 |
| Post Office | Farrell |
| Division | Mercer |
| Pincode | 16121 |
| Post Office | Sandy Lake |
| Division | Mercer |
| Pincode | 16145 |
19 City in Mercer | List of Zip Codes Location In Pennsylvania and Your selected County Mercer