| Place | Post Code |
|---|---|
| Ampakling, Diadi | 3712 |
| Arwas, Diadi | 3712 |
| Balete, Diadi | 3712 |
| Bugnay, Diadi | 3712 |
| Butao, Diadi | 3712 |
| Decabacan, Diadi | 3712 |
| Duruarog, Diadi | 3712 |
| Escoting, Diadi | 3712 |
| Langca, Diadi | 3712 |
| Lurad, Diadi | 3712 |
| Nagsabaran, Diadi | 3712 |
| Namamparan, Diadi | 3712 |
| Pinya, Diadi | 3712 |
| Poblacion, Diadi | 3712 |
| Rosario, Diadi | 3712 |
| San Luis, Diadi | 3712 |
| San Pablo, Diadi | 3712 |
| Villa Aurora, Diadi | 3712 |
| Villa Florentino, Diadi | 3712 |