| Place | Post Code |
|---|---|
| Chillepín, Salamanca | 1950000 |
| Coirón, Salamanca | 1950000 |
| Cuncumén, Salamanca | 1950000 |
| El Tambo, Salamanca | 1950000 |
| Panguecillo, Salamanca | 1950000 |
| Salamanca, Salamanca | 1950000 |
| Tahuinco, Salamanca | 1950000 |
| Tranquilla, Salamanca | 1950000 |
| All postal codes in Choapa | |
|---|---|
| Canela, Choapa | |
| Illapel, Choapa | |
| Los Vilos, Choapa | |
| Salamanca, Choapa | |