Post Offices List in Thermal City, California:
| Thermal Post Office | 87200 Airport Blvd, Thermal, CA 92274 |
| Salton City Post Office | 2113 S Marina Dr, Thermal, CA 92274 |
| Thermal Post Office | 87200 Airport Blvd, Thermal, CA 92274 |
| Salton City Post Office | 2113 S Marina Dr, Thermal, CA 92274 |