| Locality | Post Code |
|---|---|
| San Luis, Belén | 010202 |
| San Miguel, Belén | 010202 |
| San Rafael, Belén | 010201 |
| Santa Cecilia, Belén | 010203 |
| Santa Cruz, Belén | 010203 |
| Santa Elena, Belén | 010203 |
| Santa Librada, Belén | 010205 |
| Santa Lucia, Belén | 010203 |
| Santo Domingo, Belén | 010201 |
| Santo Tomas, Belén | 010204 |
| Virgen de la Paz, Belén | 010201 |
| Concepción Postal Codes | |
|---|---|
| Yby Yaú | Sargento José Félix López |
| San Lázaro | San Carlos Del Apa |
| San Alfredo | Paso Barreto |
| Loreto | Horqueta |
| Concepción | Belén |
| Azotey | Arroyito |