| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in El Rayo, Olaya | 051457 |
| Postal/ZIP Codes in La Colchona, Olaya | 051457 |
| Postal/ZIP Codes in La Florida, Olaya | 051457 |
| Postal/ZIP Codes in La Playa, Olaya | 051457 |
| Postal/ZIP Codes in Monteires, Olaya | 051457 |
| Postal/ZIP Codes in Olaya, Olaya | 051450 |
| Postal/ZIP Codes in Palo Grande, Olaya | 051457 |
| Postal/ZIP Codes in Piñones, Olaya | 051457 |
| Postal/ZIP Codes in Tiembla, Olaya | 051457 |
| Postal/ZIP Codes in Vadajoz, Olaya | 051457 |