| Localité | Code postal |
|---|---|
| 10 de Mayo, Mexicali | 21600 |
| 27 de Enero, Mexicali | 21960 |
| 5 de Mayo, Mexicali | 21980 |
| Ahumadita, Mexicali | 21600 |
| Álamo, Mexicali | 21966 |
| Alberto Oviedo Mota, Mexicali | 21730 |
| Alvarado, Mexicali | 21742 |
| Álvaro Obregón, Mexicali | 21902 |
| Ángeles de Puebla, Mexicali | 21620 |
| Bataques, Mexicali | 21909 |
| Benito Juárez, Mexicali | 21723, 21900 |
| Borquez, Mexicali | 21921 |
| Bugambilias Jardines, Mexicali | 21600 |
| Camacho, Mexicali | 21731 |
| Castro, Mexicali | 21621 |
| Cauces Federales, Mexicali | 21600 |
| Cecilia, Mexicali | 21612 |
| Cerro Prieto 1, Mexicali | 21701 |
| Cerro Prieto 2, Mexicali | 21700 |
| Cerro Prieto 4, Mexicali | 21700 |
| Cerro Prieto 5, Mexicali | 21700 |
| Cerro Prieto 6, Mexicali | 21700 |
| Cerro Prieto 7, Mexicali | 21700 |
| Chapultepec, Mexicali | 21723 |
| Chiapas, Mexicali | 21831 |
| Chihuahua, Mexicali | 21700 |
| Codes postaux en Baja California | |
|---|---|
| Tijuana | Tecate |
| San Quintín | Playas de Rosarito |
| Mexicali | Ensenada |