| Post Office | Union |
| Division | Union |
| Pincode | 7083 |
| Post Office | Plainfield |
| Division | Union |
| Pincode | 7060 |
| Post Office | Linden |
| Division | Union |
| Pincode | 7036 |
| Post Office | Elizabeth |
| Division | Union |
| Pincode | 7202 |
| Post Office | Elizabeth |
| Division | Union |
| Pincode | 7208 |
| Post Office | Rahway |
| Division | Union |
| Pincode | 7065 |
| Post Office | Westfield |
| Division | Union |
| Pincode | 7090 |
| Post Office | Elizabethport |
| Division | Union |
| Pincode | 7206 |
| Post Office | Elizabeth |
| Division | Union |
| Pincode | 7201 |
22 City in Union | List of Zip Codes Location In New Jersey and Your selected County Union