Post Offices List in Mount Vernon City, New York:
| Fleetwood Post Office | 65 Fleetwood Ave, Mount Vernon, NY 10552 |
| Mount Vernon Post Office | 15 S 1st Ave, Mount Vernon, NY 10550 |
| Sandford Post Office | 440 E Sandford Blvd, Mount Vernon, NY 10550 |
| Fleetwood Post Office | 65 Fleetwood Ave, Mount Vernon, NY 10552 |
| Mount Vernon Post Office | 15 S 1st Ave, Mount Vernon, NY 10550 |
| Sandford Post Office | 440 E Sandford Blvd, Mount Vernon, NY 10550 |