Post Offices List in Union City, New Jersey:
| Chestnut Post Office | 611 Chestnut St, Union, NJ 07083 |
| Union Center Post Office | 1965a Morris Ave, Union, NJ 07083 |
| Union Post Office | 1130 W Chestnut St, Union, NJ 07083 |
| Chestnut Post Office | 611 Chestnut St, Union, NJ 07083 |
| Union Center Post Office | 1965a Morris Ave, Union, NJ 07083 |
| Union Post Office | 1130 W Chestnut St, Union, NJ 07083 |