| Mercer Zip Codes, New Jersey |
| State | County/Borough | Town/City | Zipcode |
| New Jersey | Mercer | Hightstown | 8520 |
| New Jersey | Mercer | Hopewell | 8525 |
| New Jersey | Mercer | Lawrence Township | 8648 |
| New Jersey | Mercer | Pennington | 8534 |
| New Jersey | Mercer | Princeton | 8540 |
| New Jersey | Mercer | Princeton Junction | 8550 |
| New Jersey | Mercer | Titusville | 8560 |
| New Jersey | Mercer | Trenton | 8601 |
| New Jersey | Mercer | Windsor | 8561 |
| Mercer Cities Zipcodes |
| Hightstown Zip Codes | Hopewell Zip Codes | Lawrence Township Zip Codes |
| Pennington Zip Codes | Princeton Zip Codes | Princeton Junction Zip Codes |
| Titusville Zip Codes | Trenton Zip Codes | Windsor Zip Codes |
| New Jersey Zipcodes by County |
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