title: Google maps API does not return postal code for "Chile" based addresses
body: <p>When I try to get the zipcode for an address using Google maps geocoding API, it works, the postal code is returned as part of the address_components array: (example: 
  <a href="https://maps.googleapis.com/maps/api/geocode/json?&amp;address=socoma%201%2C%20marrakesh" rel="nofollow noreferrer">https://maps.googleapis.com/maps/api/geocode/json?&amp;address=socoma%201%2C%20marrakesh</a>).</p>
  
  <p>But for Chile (the country) based addresses, it does not seem to return the postal code:(example: 
  <a href="https://maps.googleapis.com/maps/api/geocode/json?&amp;address=las%20condes%20santiago%20chile" rel="nofollow noreferrer">https://maps.googleapis.com/maps/api/geocode/json?&amp;address=las%20condes%20santiago%20chile</a>).</p>
  
  <p>Any idea why would be much appreciated.</p>