Post Offices List in Riverside City, California:
| Arlington Post Office | 10275 Hole Ave, Riverside, CA 92503 |
| Hardman Post Office | 5172 Arlington Ave, Riverside, CA 92504 |
| Downtown Riverside Post Office | 3890 Orange St, Riverside, CA 92501 |
| Riverside Post Office | 4150 Chicago Ave, Riverside, CA 92507 |