| Place | Post Code |
|---|---|
| Huambacho (El Arenal), Samanco | 02700 |
| Huambacho Nueva (La Huaca), Samanco | 02700 |
| Huambacho Viejo, Samanco | 02700 |
| La Capilla, Samanco | 02700 |
| Los Chimus, Samanco | 02700 |
| Popo, Samanco | 02700 |
| Samanco, Samanco | 02700 |
| San Pedro, Samanco | 02700 |
| Vesique, Samanco | 02700 |
| All postal codes in Santa | |
|---|---|
| Cáceres del Perú, Santa | |
| Chimbote, Santa | |
| Coishco, Santa | |
| Macate, Santa | |
| Moro, Santa | |
| Nepeña, Santa | |
| Nuevo Chimbote, Santa | |
| Samanco, Santa | |
| Santa, Santa | |