What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Are you asking how to edit your form in order to add a ZIP code field?
If so, just login to your account as ScaleAero > click MY FORMS at the top > click your form > EDIT FORM, like so:
Once you're inside your FORM BUILDER, just add a field that will fit your needs (e.g. a Textbox named ZIP).
In case we misunderstood your question, just get back to us with a bit more info and a clearer description of what you're trying to do so we can better assist you.