| Place | Post Code |
|---|---|
| Ampid I, San Mateo | 1850 |
| Ampid II, San Mateo | 1850 |
| Banaba, San Mateo | 1850 |
| Dulong Bayan 1, San Mateo | 1850 |
| Dulong Bayan 2, San Mateo | 1850 |
| Guinayang, San Mateo | 1850 |
| Guitnang Bayan I, San Mateo | 1850 |
| Guitnang Bayan II, San Mateo | 1850 |
| Gulod Malaya, San Mateo | 1850 |
| Malanday, San Mateo | 1850 |
| Maly, San Mateo | 1850 |
| Pintong Bocawe, San Mateo | 1850 |
| Santa Ana, San Mateo | 1850 |
| Santo Niño, San Mateo | 1850 |
| Silangan, San Mateo | 1850 |