code to list out / map out all Singapore postal codes.

1. USE AT OWN DISCRETION
2. FOR EDUCATIONAL PURPOSES ONLY
3. USE OF THE DATA IS GOVERNED BY THE OPEN DATA LICENCE
4. THIS DATA DUMP CONTAINS INFORMATION FROM ONEMAP.SG POSTAL CODE SEARCH ACCESSED ON 25 APR 2017, AND LATER

1. (on map)
   https://www.google.com/maps/d/edit?mid=1xY0bu-Aomm-KcEXD58PxdvegZhY5Tcfv&usp=sharing https://www.google.com/maps/d/edit?mid=19yBcM2JMVOwTZj8svFY2km1j2CXeL95y&usp=sharing https://www.google.com/maps/d/edit?mid=1JWzJu_GFFe28B7UiSLuf52WqZ-7BhlYr&usp=sharing
2. (listed out)
   https://sg-postalcodes2017.glitch.me/