I’ve seen this technique employed effectively on a few websites – I find it curious that it is not used more often. I don’t know how well this method will work internationally, but assume that some of the same efficiencies apply.

The UI & Process

  1. Type in a 5-character ZIPCODE:
  2. In the background, a simple lookup engine identifies the appropriate STATE and CITY and populates the appropriate fields in the form.
  3. If you want to turn the CITY field into a dropdown selector with multiple choices, as well, you could. But simply pre-populating the CITY field with your “best guess” / biggest town will probably be accurate 95+% of the time,

You’ve just filled in 3 postal address fields by entering only 5 characters.

The Zipcode is a fastTrack shortcut to form entry



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