| Postal Code | Postal Code Place Name | State | Municipality |
|---|---|---|---|
| 42150 | Ajacuba Centro | Hidalgo | Ajacuba |
| 42151 | Santiago Tezontlale | Hidalgo | Ajacuba |
| 42152 | San Nicolás Tecomatlan | Hidalgo | Ajacuba |
| 42153 | Los Arcos | Hidalgo | Ajacuba |
| 42154 | Santa Teresa (Las Campanitas) | Hidalgo | Ajacuba |
| 42155 | Cuauhtémoc | Hidalgo | Ajacuba |
| 42156 | Rincón Sur 1ra. Sección | Hidalgo | Ajacuba |
| 42157 | Tulancalco | Hidalgo | Ajacuba |