| Locality | Postal Code |
|---|---|
| El Milagro, Choya | G4230 XAK |
| El Nerio, Choya | G4205 XAK |
| El Rajo, Choya | G4233 XAC |
| El Recreo, Choya | G4230 XAN |
| El Rincón, Choya | G4203 XAL |
| El Rodeo, Choya | G4230 XAO |
| El Rosario, Choya | G4230 XAP |
| El Salvador, Choya | G4231 XAC |
| El Tacial, Choya | G4233 XAF |
| El Tala, Choya | G4203 XAM |
| Envidia, Choya | G4230 XBD |
| Escuela 879, Choya | G4230 XAQ |
| Esperanza, Choya | G4233 XAG |
| Farol, Choya | G4203 XAN |
| Favorina, Choya | G4203 XAO |
| Florida, Choya | G4237 XAF |
| Frías, Choya | G4230 |
| Guardia del Norte, Choya | G4203 XAI |
| Guatana, Choya | G4230 XBY |
| Ichagon, Choya | G4203 XAJ |
| Inti Huasi, Choya | G4230 XAL |
| Jumeal O Jumial, Choya | G4230 XAM |
| Kilometro 10, Choya | G4233 XAJ |
| Kilómetro 1073, Choya | G4230 XBZ |
| Kilómetro 1098, Choya | G4234 XAA |
| Kilómetro 18, Choya | G4233 XAH |
| Postal Codes in Santiago del Estero | |
|---|---|
| Silípica | Sarmiento |
| Salavina | Río Hondo |
| Robles | Rivadavia |
| Quebrachos | Pellegrini |
| Ojo de Agua | Moreno |
| Mitre | Loreto |
| Juan Felipe Ibarra | Jiménez |
| Guasayán | General Taboada |
| General San Martín | Figueroa |
| Copo | Choya |
| Capital | Belgrano |
| Banda | Avellaneda |
| Atamisqui | Alberdi |
| Aguirre | |