| Place | Post Code |
|---|---|
| San Diego, Buenavista | 4320 |
| San Isidro Ibaba, Buenavista | 4320 |
| San Isidro Ilaya, Buenavista | 4320 |
| San Pablo, Buenavista | 4320 |
| San Pedro, Buenavista | 4320 |
| San Vicente, Buenavista | 4320 |
| Siain, Buenavista | 4320 |
| Villa Aurora, Buenavista | 4320 |
| Villa Batabat, Buenavista | 4320 |
| Villa Magsaysay, Buenavista | 4320 |
| Villa Veronica, Buenavista | 4320 |