| Locality | Post Code |
|---|---|
| Abram, Hidalgo | 78572 |
| Alamo, Hidalgo | 78516 |
| Alton, Hidalgo | 78573 |
| Bonner, Hidalgo | 78505 |
| Campo Alto, Hidalgo | 78516 |
| Chihuahua, Hidalgo | 78572 |
| Citrus City, Hidalgo | 78572 |
| Curvitas, Hidalgo | 78565 |
| Donna, Hidalgo | 78537 |
| Edcouch, Hidalgo | 78538 |
| Edinburg, Hidalgo | 78539, 78541, 78542 |
| El Gato, Hidalgo | 78516 |
| Elsa, Hidalgo | 78543 |
| Engelman, Hidalgo | 78543 |
| Faysville, Hidalgo | 78539 |
| Granjeno, Hidalgo | 78572 |
| Hargill, Hidalgo | 78549 |
| Havana, Hidalgo | 78572 |
| Heidelberg, Hidalgo | 78570 |
| Hidalgo, Hidalgo | 78557 |
| Kane, Hidalgo | 78505 |
| La Blanca, Hidalgo | 78558 |
| La Joya, Hidalgo | 78560 |
| La Tijera, Hidalgo | 78537 |
| La Villa, Hidalgo | 78562 |
| Las Milpas, Hidalgo | 78577 |