Post Offices List in Mahopac City, New York:
| Baldwin Place Post Office | 167 Route 6, Mahopac, NY 10541 |
| Mahopac Post Office | 346 Route 6, Mahopac, NY 10541 |
| Baldwin Place Post Office | 167 Route 6, Mahopac, NY 10541 |
| Mahopac Post Office | 346 Route 6, Mahopac, NY 10541 |