| Place | Post Code |
|---|---|
| San Agustin, San Luis | 2014 |
| San Carlos, San Luis | 2014 |
| San Isidro, San Luis | 2014 |
| San Jose, San Luis | 2014 |
| San Juan, San Luis | 2014 |
| San Nicolas, San Luis | 2014 |
| San Roque, San Luis | 2014 |
| San Sebastian, San Luis | 2014 |
| Santa Catalina, San Luis | 2014 |
| Santa Cruz Pambilog, San Luis | 2014 |
| Santa Cruz Poblacion, San Luis | 2014 |
| Santa Lucia, San Luis | 2014 |
| Santa Monica, San Luis | 2014 |
| Santa Rita, San Luis | 2014 |
| Santo Niño, San Luis | 2014 |
| Santo Rosario, San Luis | 2014 |
| Santo Tomas, San Luis | 2014 |