| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Acicate, Duarte) | 31000 |
| Postal/ZIP Codes in Cerrejón, Duarte) | 31000 |
| Postal/ZIP Codes in Eugenio María de Hostos, Duarte) | 31000 |
| Postal/ZIP Codes in La Isleta, Duarte) | 31000 |
| Postal Codes in Eugenio María de Hostos | |
|---|---|
| Postal/ZIP Codes in Eugenio María de Hostos | |
| Postal/ZIP Codes in Sabana Grande | |