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On an HTML form, What is the maximum amount of characters that should be allowed for:

  • Street Address 1
  • Street Address 2
  • Town/Suburb
  • State/Province (I would have drop downs for main countries, but I can't list every one in the world)
  • Postal Code/Zip Code

I have left off country because it would be a drop down.

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is there a reason why you want to restrict the number of characters? –  Igor-G Feb 18 '13 at 13:38
    
Hi Igor, that is a good thought point. One use-case I can think of is where a user copies and pastes an address from another sources and might accidentally collect additional text that is not required for the field without noticing it. –  fakeguybrushthreepwood Feb 18 '13 at 13:47
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I think you should not restrict it at all (meaning: setting the limit at a very high level). It is hard, if not impossible, to determine how long the fields should be, but they cannot be too short, that's for sure. Names, cities, streets can be really long. Just check these to get some perspective:

Longest place names in the world: http://en.wikipedia.org/wiki/List_of_long_place_names

Longest street names in the world: http://thelongestlistofthelongeststuffatthelongestdomainnameatlonglast.com/long187.html Hey, my country wins! :)

For the longest surname check: http://www.museumofhoaxes.com/hoax/weblog/permalink/worlds_longest_surname/ There is a world record on it!

The argument of not letting users paste too much is important to some extent, but I don't really think it is going to cause more problems than too short fields to enter data.

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