| Place | Post Code |
|---|---|
| Anislagan, San Luis | 8511 |
| Balit, San Luis | 8511 |
| Baylo, San Luis | 8511 |
| Binicalan, San Luis | 8511 |
| Cecilia, San Luis | 8511 |
| Coalicion, San Luis | 8511 |
| Culi, San Luis | 8511 |
| Dimasalang, San Luis | 8511 |
| Don Alejandro, San Luis | 8511 |
| Don Pedro, San Luis | 8511 |
| Doña Flavia, San Luis | 8511 |
| Doña Maxima, San Luis | 8511 |
| Mahagsay, San Luis | 8511 |
| Mahapag, San Luis | 8511 |
| Mahayahay, San Luis | 8511 |
| Muritula, San Luis | 8511 |
| Nuevo Trabajo, San Luis | 8511 |
| Poblacion, San Luis | 8511 |
| Policarpo, San Luis | 8511 |
| San Isidro, San Luis | 8511 |
| San Pedro, San Luis | 8511 |
| Santa Ines, San Luis | 8511 |
| Santa Rita, San Luis | 8511 |
| Santiago, San Luis | 8511 |
| Wegguam, San Luis | 8511 |