JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
I suggest you to check the following guide: https://www.jotform.com/help/57-Smart-Forms-Using-Conditional-Logic
You can create a condition like this.
I would suggest you to enter 10 code numbers per condition so they could me more manageable. You can see here: http://form.jotformpro.com/form/51727310114948 a form with an example for this conditions. Feel free to clone it to your account if you want to.