Reduce the list, select first 2 letters of the city:
Listing cities (51 place(s)). Select the City to see the postcode(s):
Listing cities (51 place(s)). Select the City to see the postcode(s):
Position: Postcodes > Costa Rica > C.... >
Postcode finder: Costa Rica, List of the cities starting with C. Costa Rica Postcodes (Desktop version).