| Puesto Nuevo, Capital |
G4203 XAB |
| Quebracho Herrado, Capital |
G4206 XBZ |
| Remes, Capital |
G4203 XAC |
| San Isidro, Capital |
G4206 XCN |
| San Lorenzo, Capital |
G4203 XAD |
| Santa María, Capital |
G4206 XCC |
| Santa Rosa, Capital |
G4205 XAA |
| Santa Rosa Arraga, Capital |
G4206 XCA |
| Santiago del Estero, Capital |
G4200, G4202, G4204 |
| Tala Pozo, Capital |
G4200 XAE |
| Upianita, Capital |
G4200 XAF |
| Villa Constantina, Capital |
G4200 XAJ |
| Villa de La Barranca, Capital |
G4206 XCO |
| Villa Grimanesa, Capital |
G4200 XAK |
| Villa Zanjon, Capital |
G4206 XCP |