Post Offices List in Clifton Park City, New York:
| Clifton Park Post Office | 1764 Route 9, Clifton Park, NY 12065 |
| Halfmoon Post Office | 2 Progress Dr, Clifton Park, NY 12065 |
| Clifton Park Post Office | 1764 Route 9, Clifton Park, NY 12065 |
| Halfmoon Post Office | 2 Progress Dr, Clifton Park, NY 12065 |