| Locality | Post Code |
|---|---|
| Colonia Esmeralda, Oluta | 96166 |
| Correa, Oluta | 96169 |
| El Campero, Oluta | 96166 |
| Los Amigos (Granja Avícola), Oluta | 96166 |
| Los Laureles, Oluta | 96164 |
| Mundo Nuevo, Oluta | 96164 |
| Ojapa, Oluta | 96165 |
| Olmeca, Oluta | 96160 |
| Oluta, Oluta | 96160 |
| San Judas Tadeo, Oluta | 96166 |
| Tenejapa, Oluta | 96160 |