| Locality | Post Code |
|---|---|
| San Isidro, Acahay | 090209 |
| San Ramon, Acahay | 090201, 090207 |
| Santa Lucia, Acahay | 090201 |
| Tape Guasu, Acahay | 090203 |
| Tapytangua, Acahay | 090207 |
| Valois Rivarola, Acahay | 090202 |
| Yeguariso, Acahay | 090202 |
| Yvyraity, Acahay | 090206 |
| Zanjita, Acahay | 090205 |