| Localité | Code postal |
|---|---|
| Tapytangua, Yby Yaú | 010707 |
| Villa del Maestro, Yby Yaú | 010702 |
| Villa Real, Yby Yaú | 010701 |
| Villalba Kue, Yby Yaú | 010707 |
| Virgen del Rosario, Yby Yaú | 010701 |
| Codes postaux en Concepción | |
|---|---|
| Yby Yaú | Sargento José Félix López |
| San Lázaro | San Carlos Del Apa |
| San Alfredo | Paso Barreto |
| Loreto | Horqueta |
| Concepción | Belén |
| Azotey | Arroyito |