| Locality | Post Code |
|---|---|
| San Agustin, Yrybucua | 021906 |
| San Isidro, Yrybucua | 021909 |
| San Juan Bosco, Yrybucua | 021906 |
| San Miguel, Yrybucua | 021906 |
| San Roque, Yrybucua | 021906 |
| Sanguina Kue, Yrybucua | 021909 |
| Vy'A Renda, Yrybucua | 021902 |
| Ykua Pora, Yrybucua | 021903 |
| Yvu Pora, Yrybucua | 021908 |