| Postal Code | Postal Code Place Name | State | Municipality |
|---|---|---|---|
| 21400 | Tecate Centro | Baja California | Tecate |
| 21410 | Tecate | Baja California | Tecate |
| 21420 | Tecate | Baja California | Tecate |
| 21430 | Tecate | Baja California | Tecate |
| 21432 | Andalucia | Baja California | Tecate |
| 21433 | Tecate | Baja California | Tecate |
| 21440 | Tecate | Baja California | Tecate |
| 21442 | Tecate | Baja California | Tecate |
| 21447 | El Encanto Norte | Baja California | Tecate |
| 21448 | La Hacienda | Baja California | Tecate |
| 21449 | Colinas de Cuchuma | Baja California | Tecate |
| 21450 | Tecate | Baja California | Tecate |
| 21452 | Tecate | Baja California | Tecate |
| 21453 | Tecate | Baja California | Tecate |
| 21460 | Tecate | Baja California | Tecate |
| 21462 | Miguel Aleman | Baja California | Tecate |
| 21470 | Tecate | Baja California | Tecate |
| 21472 | Tecate | Baja California | Tecate |
| 21477 | Tecate | Baja California | Tecate |
| 21478 | Tecate | Baja California | Tecate |
| 21479 | Las Huertas | Baja California | Tecate |
| 21480 | Tecate | Baja California | Tecate |
| 21482 | Tecate | Baja California | Tecate |
| 21483 | Tecate | Baja California | Tecate |
| 21484 | Tecate | Baja California | Tecate |
| 21485 | Paraiso | Baja California | Tecate |
| 21490 | Lazaro Cardenas | Baja California | Tecate |
| 21496 | Tecate | Baja California | Tecate |
| 21500 | Valle de las Palmas | Baja California | Tecate |
| 21503 | Parque Industrial El Bajío | Baja California | Tecate |
| 21505 | Luis Echeverría Álvarez | Baja California | Tecate |
| 21506 | El Encinal | Baja California | Tecate |
| 21507 | Nueva Hindú Sección Cerro Azul | Baja California | Tecate |
| 21510 | La Rumorosa | Baja California | Tecate |
| 21511 | Jacume | Baja California | Tecate |
| 21517 | San Francisco | Baja California | Tecate |
| 21520 | La Puerta | Baja California | Tecate |
| 21530 | San Pablo | Baja California | Tecate |
| 21550 | Neji | Baja California | Tecate |
| 21553 | Santa Verónica | Baja California | Tecate |
| 21570 | El Testerazo | Baja California | Tecate |
| 21573 | Guadalajara | Baja California | Tecate |