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.


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    Validating phone number by turning on the Input Mask

    Asked by nciha2015 on December 08, 2015 at 10:14 AM

    Is there a validation for area code? One can type in 10 digits in the area code 3-digit max box in preview mode.

    phone number number validation preview 10 digits max phone input mask
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    JotForm Support

    Answered by Jan on December 08, 2015 at 11:31 AM

    You can turn ON the Input Mask in order to limit or restrict the phone number field.

    Here's the result:

    Let us know if you need further help. Thank you.