ZIP Code 20306 | Costa Rica
The ZIP Code 20306 belongs to the district Río Cuarto in the province of Alajuela. Check out below the map to see what zone is included in this ZIP Code.
Postal Code Canton Grecia
The district Río Cuarto belongs to the canton Grecia. For other districts, go back to Grecia ZIP Code and find the corresponding district.
Alajuela
The canton Grecia belongs to Alajuela. Enter the specific page for Alajuela ZIP Code to view all cantons of this province.
Costa Rica Post Code
To check other states ZIP Code, access Costa Rica ZIP Code