Post Offices List in Naugatuck City, Connecticut:
| Naugatuck Post Office | 170 Water St, Naugatuck, CT 06770 |
| Union City Post Office | 505 N Main St, Naugatuck, CT 06770 |
| Naugatuck Post Office | 170 Water St, Naugatuck, CT 06770 |
| Union City Post Office | 505 N Main St, Naugatuck, CT 06770 |