Post Offices List in Casselberry City, Florida:
| Casselberry Post Office | 109 Live Oaks Blvd, Casselberry, FL 32707 |
| Fern Park Post Office | 130 Fernwood Blvd, Casselberry, FL 32730 |
| Casselberry Post Office | 109 Live Oaks Blvd, Casselberry, FL 32707 |
| Fern Park Post Office | 130 Fernwood Blvd, Casselberry, FL 32730 |