Consider Using Localized Input Masks for 'Phone' and Other Restricted Inputs (64% Aren't Taking Advantage of Input Masking) – Articles – Baymard Institute
GitHub - rajaramtt/jquery-input-mask-phone-number: jquery-input-mask-phone- number.js - A simple, easy jquery format phone number mask library
Labelmask – Alternative to Input Masks | jQuery Plugins
GitHub - normandesjr/jquery-mask-number
Consider Using Localized Input Masks for 'Phone' and Other Restricted Inputs (64% Aren't Taking Advantage of Input Masking) – Articles – Baymard Institute