| Place | Post Code |
|---|---|
| Arado, Uson | 5402 |
| Armenia, Uson | 5402 |
| Aurora, Uson | 5402 |
| Badling, Uson | 5402 |
| Bonifacio, Uson | 5402 |
| Buenasuerte, Uson | 5402 |
| Buenavista, Uson | 5402 |
| Campana, Uson | 5402 |
| Candelaria, Uson | 5402 |
| Centro, Uson | 5402 |
| Crossing, Uson | 5402 |
| Dapdap, Uson | 5402 |
| Del Carmen, Uson | 5402 |
| Del Rosario, Uson | 5402 |
| Libertad, Uson | 5402 |
| Mabini, Uson | 5402 |
| Mabuhay, Uson | 5402 |
| Madao, Uson | 5402 |
| Magsaysay, Uson | 5402 |
| Marcella, Uson | 5402 |
| Miaga, Uson | 5402 |
| Mongahay, Uson | 5402 |
| Morocborocan, Uson | 5402 |
| Paguihaman, Uson | 5402 |
| Panicijan, Uson | 5402 |
| Poblacion, Uson | 5402 |