| ZIP | County | State | Area Code | Time Zone |
| 92501 | Riverside | CA | 951 | PST |
| 92502 | Riverside | CA | 951 | PST |
| 92503 | Riverside | CA | 951 | PST |
| 92504 | Riverside | CA | 951 | PST |
| 92505 | Riverside | CA | 951 | PST |
| 92506 | Riverside | CA | 951 | PST |
| 92507 | Riverside | CA | 951 | PST |
| 92508 | Riverside | CA | 951 | PST |
| 92509 | Riverside | CA | 951 | PST |
| 92513 | Riverside | CA | 951 | PST |
| 92514 | Riverside | CA | 951 | PST |
| 92515 | Riverside | CA | 951 | PST |
| 92516 | Riverside | CA | 951 | PST |
| 92517 | Riverside | CA | 951 | PST |
| 92518 | Riverside | CA | 951 | PST |
| 92519 | Riverside | CA | 951 | PST |
| 92521 | Riverside | CA | 951 | PST |
| 92522 | Riverside | CA | 951 | PST |