| Place | Post Code |
|---|---|
| Cerezal, Piura | 20000 |
| Coscomba, Piura | 20004 |
| Coscomba Alta, Piura | 20004 |
| Coscomba Sur, Piura | 20004 |
| Cristo Es el Camino, Piura | 20000 |
| Ejidos de Huan, Piura | 20000 |
| Ejidos de Mariposa, Piura | 20000 |
| El Milagro, Piura | 20000 |
| El Molino, Piura | 20000 |
| El Porvenir, Piura | 20000 |
| Juan Pablo II, Piura | 20000 |
| Juan Velasco, Piura | 20000 |
| La Cortina, Piura | 20000 |
| La Merced, Piura | 20000 |
| La Palma, Piura | 20000 |
| La Tea, Piura | 20000 |
| Las Mercedes, Piura | 20000 |
| Las Mercedes II, Piura | 20000 |
| Las Vegas, Piura | 20000 |
| Los Ejidos del Norte, Piura | 20000 |
| Maria Auxiliadora, Piura | 20000 |
| Nueva Esperanza, Piura | 20000 |
| Piura, Piura | 20001, 20004, 20007, 20008, 20009 |
| Puente las Monjas, Piura | 20008 |
| San Juan de Curumuy, Piura | 20000 |
| San Miguel, Piura | 20000 |