| Zip Code | Primary City | Secondary City | More Information |
| 92518 | March Air Reserve Base | Riverside | Riverside population stats |
| 92522 | Riverside | City Of Riverside | |
| 92501 | Riverside | Riverside | Riverside population stats |
| 92502 | Riverside | Riverside | Riverside population stats |
| 92503 | Riverside | Riverside | Riverside population stats |
| 92504 | Riverside | Riverside | Riverside population stats |
| 92505 | Riverside | Riverside | Riverside population stats |
| 92506 | Riverside | Riverside | Riverside population stats |
| 92507 | Riverside | Riverside | Riverside population stats |
| 92508 | Riverside | Riverside | Riverside population stats |
| 92509 | Riverside | Riverside | Riverside population stats |
| 92513 | Riverside | Riverside | Riverside population stats |
| 92514 | Riverside | Riverside | Riverside population stats |
| 92515 | Riverside | Riverside | Riverside population stats |
| 92516 | Riverside | Riverside | Riverside population stats |
| 92517 | Riverside | Riverside | Riverside population stats |
| 92519 | Riverside | Riverside | Riverside population stats |
| 92521 | Riverside | Riverside | Riverside population stats |