| Place | Post Code |
|---|---|
| Abiacao, San Luis | 4210 |
| Bagong Tubig, San Luis | 4210 |
| Balagtasin, San Luis | 4210 |
| Balite, San Luis | 4210 |
| Banoyo, San Luis | 4210 |
| Boboy, San Luis | 4210 |
| Bonliw, San Luis | 4210 |
| Calumpang East, San Luis | 4210 |
| Calumpang West, San Luis | 4210 |
| Dulangan, San Luis | 4210 |
| Durungao, San Luis | 4210 |
| Locloc, San Luis | 4210 |
| Luya, San Luis | 4210 |
| Mahabang Parang, San Luis | 4210 |
| Manggahan, San Luis | 4210 |
| Muzon, San Luis | 4210 |
| Poblacion, San Luis | 4210 |
| San Antonio, San Luis | 4210 |
| San Isidro, San Luis | 4210 |
| San Jose, San Luis | 4210 |
| San Martin, San Luis | 4210 |
| Santa Monica, San Luis | 4210 |
| Taliba, San Luis | 4210 |
| Talon, San Luis | 4210 |
| Tejero, San Luis | 4210 |
| Tungal, San Luis | 4210 |