| Localité | Code postal |
|---|---|
| Abra Mayo, Tilcara | Y4622 XAJ |
| Alfarcito, Tilcara | Y4624 XAF |
| Angosto del Perchel, Tilcara | Y4626 XAG |
| Bella Vista, Tilcara | Y4622 XAG |
| Cachihuaico, Tilcara | Y4622 XAH |
| Chorrillos, Tilcara | Y4626 XAH |
| El Callejon, Tilcara | Y4622 XAI |
| El Durazno, Tilcara | Y4624 XAG |
| El Perchel, Tilcara | Y4624 XAJ |
| Huacalera, Tilcara | Y4626 XAI |
| Huichaira, Tilcara | Y4624 XAH |
| Juella, Tilcara | Y4624 XAI |
| La Banda, Tilcara | Y4624 XAC |
| Las Chicapenas, Tilcara | Y4622 XAB |
| Maimará, Tilcara | Y4622 |
| Posta de Hornillos, Tilcara | Y4618 XAC |
| Puesto, Tilcara | Y4624 XAB |
| Punta del Campo, Tilcara | Y4622 XAC |
| Quebrada Huasamayo, Tilcara | Y4624 XAD |
| San José, Tilcara | Y4626 XAE |
| San Pedrito, Tilcara | Y4622 XAF |
| Tacta, Tilcara | Y4622 XAD |
| Tilcara, Tilcara | Y4624 |
| Villa del Perchel, Tilcara | Y4626 XAF |
| Yerba Buena Tilcara, Tilcara | Y4622 XAE |