Simple Form
<%= simple_form_for(@address) do |f| %>
<%= f.error_notification %>
<%= f.input :zipcode, as: :zipcode %>
Error - Invalid zipcode
<%= f.input :street, as: :street %>
<%= f.input :neighborhood, as: :neighborhood %>
<%= f.input :city, as: :city %>
<%= f.input :state, as: :state %>
<%= f.button :submit %>
<% end %>