| Locality | Post Code |
|---|---|
| Agua Negra, Ledesma | Y4512 XCK |
| Alegria, Ledesma | Y4506 XAA |
| Algarrobal, Ledesma | Y4600 XBH |
| Ánimas, Ledesma | Y4512 XCL |
| Aparejo, Ledesma | Y4512 XCM |
| Arenal Barroso, Ledesma | Y4506 XAK |
| Bajada Alta, Ledesma | Y4506 XAB |
| Bateas, Ledesma | Y4512 XCN |
| Bella Vista, Ledesma | Y4512 XAB |
| Caimancito, Ledesma | Y4516 |
| Calilegua, Ledesma | Y4514 |
| Campo Bajo, Ledesma | Y4512 XAC |
| Campo Colorado, Ledesma | Y4512 XAD |
| Candelaria, Ledesma | Y4512 XAE |
| Casillas, Ledesma | Y4632 XAK |
| Cevilar, Ledesma | Y4512 XAF |
| Chalicán, Ledesma | Y4504 XAC |
| Ciénaga, Ledesma | Y4512 XAG |
| Colonia 8 de Septiembre, Ledesma | Y4512 XAA |
| Cortaderas, Ledesma | Y4512 XAH |
| Don Jorge, Ledesma | Y4512 XAI |
| Duraznal, Ledesma | Y4512 XAJ |
| El Aibal, Ledesma | Y4512 XBH |
| El Bananal, Ledesma | Y4512 XBI |
| El Cardonal, Ledesma | Y4506 XAC |
| El Caulario, Ledesma | Y4512 XBJ |