| Place | Post Code |
|---|---|
| Bonifacio District, San Leonardo | 3102 |
| Burgos District, San Leonardo | 3102 |
| Castellano, San Leonardo | 3102 |
| Diversion, San Leonardo | 3102 |
| Magpapalayoc, San Leonardo | 3102 |
| Mallorca, San Leonardo | 3102 |
| Mambangnan, San Leonardo | 3102 |
| Nieves, San Leonardo | 3102 |
| Rizal District, San Leonardo | 3102 |
| San Anton, San Leonardo | 3102 |
| San Bartolome, San Leonardo | 3102 |
| San Roque, San Leonardo | 3102 |
| Tabuating, San Leonardo | 3102 |
| Tagumpay, San Leonardo | 3102 |
| Tambo Adorable, San Leonardo | 3102 |