López zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 33943 | Tres Hermanos | Ranchería | - | Rural |
| 33944 | Tres Hermanos | Ranchería | - | Rural |
| 33945 | Troya | Ejido | - | Rural |
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 33943 | Tres Hermanos | Ranchería | - | Rural |
| 33944 | Tres Hermanos | Ranchería | - | Rural |
| 33945 | Troya | Ejido | - | Rural |