| Locality | Postal Code |
|---|---|
| Tres Marías, La Capital | D5700 XAD |
| Tukiros, La Capital | D5701 XCK |
| Vacas Muertas, La Capital | D5721 XBI |
| Varela, La Capital | D5721 XBH |
| Postal Codes in San Luis | |
|---|---|
| Libertador General San Martín | La Capital |
| Junín | Gobernador Dupuy |
| General Pedernera | Coronel Pringles |
| Chacabuco | Belgrano |
| Ayacucho | |