| Place | Post Code |
|---|---|
| San Manuel Sur, Agoo | 2504 |
| San Marcos, Agoo | 2504 |
| San Miguel, Agoo | 2504 |
| San Nicolas Central, Agoo | 2504 |
| San Nicolas East, Agoo | 2504 |
| San Nicolas Norte, Agoo | 2504 |
| San Nicolas Sur, Agoo | 2504 |
| San Nicolas West, Agoo | 2504 |
| San Pedro, Agoo | 2504 |
| San Roque East, Agoo | 2504 |
| San Roque West, Agoo | 2504 |
| San Vicente Norte, Agoo | 2504 |
| San Vicente Sur, Agoo | 2504 |
| Santa Ana, Agoo | 2504 |
| Santa Barbara, Agoo | 2504 |
| Santa Fe, Agoo | 2504 |
| Santa Maria, Agoo | 2504 |
| Santa Monica, Agoo | 2504 |
| Santa Rita, Agoo | 2504 |
| Santa Rita East, Agoo | 2504 |
| Santa Rita Norte, Agoo | 2504 |
| Santa Rita Sur, Agoo | 2504 |
| Santa Rita West, Agoo | 2504 |