| Locality | Post Code |
|---|---|
| Banda Varela, Capital | K4700 XAK |
| Chacabuco, Capital | K4700 XAL |
| El Tala, Capital | K4700 XAM |
| La Aguada, Capital | K4700 XAN |
| La Brea, Capital | K4700 XAO |
| La Calera, Capital | K4700 XAP |
| La Chacarita, Capital | K4700 XAQ |
| La Chacarita de Los Padres, Capital | K4700 XAR |
| Las Varitas, Capital | K4700 XAE |
| Lazareto, Capital | K4700 XAF |
| Loma Cortada, Capital | K4700 XAG |
| Payabuayca, Capital | K4700 XAC |
| Río del Tala, Capital | K4700 XAH |
| San Fdo del Valle de Catamarca, Capital | K4700, K4702, K4703, K4704 |
| Sauce, Capital | K4700 XAD |
| Villa Cubas, Capital | K4700 XAI |
| Villa Parque Chacabuco, Capital | K4700 XAJ |
| Catamarca Postal Codes | |
|---|---|
| Valle Viejo | Tinogasta |
| Santa Rosa | Santa María |
| Pomán | Paclín |
| La Paz | Fray Mamerto Esquiú |
| El Alto | Capital |
| Capayán | Belén |
| Antofagasta de la Sierra | Andalgalá |
| Ancasti | Ambato |