| Place | Post Code |
|---|---|
| Cabecera Municipal, San Eduardo | 152607 |
| San Eduardo, San Eduardo | 152601 |
| Villanueva, San Eduardo | 152607 |
| All postal codes in Lengupá | |
|---|---|
| Berbeo, Lengupá | |
| Campohermoso, Lengupá | |
| Miraflores, Lengupá | |
| Páez, Lengupá | |
| San Eduardo, Lengupá | |
| Zetaquira, Lengupá | |