| Localité | Code postal |
|---|---|
| Asent. Caacupemi 1, Areguá | 110114 |
| Asent. Caacupemi 2, Areguá | 110114 |
| Asent. Costa Fleitas, Areguá | 110118 |
| Asent. Divino Niño Jesus, Areguá | 110118 |
| Asent. Villa del Maestro, Areguá | 110118 |
| Asent. Virgen de Fatima, Areguá | 110115 |
| Boqueron, Areguá | 110104 |
| Caacupemi 1, Areguá | 110112, 110113 |
| Caacupemi 2, Areguá | 110116 |
| Caacupemi San Miguel, Areguá | 110111 |
| Conavi Tajy Poty, Areguá | 110117 |
| Costa Fleitas, Areguá | 110119, 110120 |
| Divino Niño Jesus, Areguá | 110118 |
| Estanzuela, Areguá | 110125 |
| Fraccion Alicia, Areguá | 110111 |
| Fraccion Yvoty, Areguá | 110111 |
| Isla Valle, Areguá | 110105, 110106 |
| Jukyry, Areguá | 110107 |
| Jukyty, Areguá | 110117 |
| Kokue Guasu, Areguá | 110124 |
| Kokue Guasu San Antonio, Areguá | 110121 |
| Las Mercedes, Areguá | 110103 |
| Pindolo, Areguá | 110122, 110123 |
| Pindolo Maria Auxiliadora, Areguá | 110121 |
| San Cayetano, Areguá | 110104 |
| San Miguel, Areguá | 110101, 110114 |