| Locality | Post Code |
|---|---|
| Sabana Grande, Chinandega | 25000 |
| Sagrado Corazon de Jesus, Chinandega | 25000 |
| San Agustin, Chinandega | 25000 |
| San Antonio, Chinandega | 25000 |
| San Cristobal, Chinandega | 25000 |
| San Francisco, Chinandega | 25000 |
| San Jose de Obraje, Chinandega | 25000 |
| San Lucas, Chinandega | 25000 |
| San Pedro, Chinandega | 25000 |
| Santa Ana, Chinandega | 25000 |
| Santa Carlota, Chinandega | 25000 |
| Santo Tomas, Chinandega | 25000 |
| Sapotan, Chinandega | 25000 |
| Valle Los Morenos, Chinandega | 25000 |
| Villa 15 de Julio, Chinandega | 25000 |