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.

  • Profile Image

    How can I require people to enter 10 digits in the phone number field?

    Asked by piglit on January 21, 2016 at 10:14 AM
  • Profile Image
    JotForm Support

    Answered by Charlie on January 21, 2016 at 11:40 AM

    That should be possible by enabling the "Input Mask" and checking the "Fill Mask Validation" check box.

    You can declare there how many digits needed to be filled out. 

    Here's a test form: https://form.jotform.com/60204406354950 

    Let us know if that works.