| Locality | Post Code |
|---|---|
| 100 Palms, Riverside | 92274 |
| Aguanga, Riverside | 92536 |
| Anza, Riverside | 92539 |
| Arlington, Riverside | 92503 |
| Banning, Riverside | 92220 |
| Barona Rancheria, Riverside | 92262 |
| Beaumont, Riverside | 92223 |
| Bermuda Dunes, Riverside | 92203 |
| Blythe, Riverside | 92225 |
| Box Springs, Riverside | 92507 |
| Cabazon, Riverside | 92230 |
| Calimesa, Riverside | 92320 |
| Canyon Crest, Riverside | 92507 |
| Canyon Lake, Riverside | 92587 |
| Casa Blanca, Riverside | 92504 |
| Cathedral City, Riverside | 92234, 92276 |
| Cherry Valley, Riverside | 92223 |
| Chiriaco Summit, Riverside | 92201 |
| Coachella, Riverside | 92236 |
| Corona, Riverside | 92879, 92880, 92881, 92882, 92883 |
| Desert Center, Riverside | 92239 |
| Desert Edge, Riverside | 92241 |
| Desert Hot Springs, Riverside | 92240, 92241 |
| Desert Shores, Riverside | 92274 |
| Eagle Mountain, Riverside | 92239 |
| Eastvale, Riverside | 91752, 92880 |