How to build international phone number input in HTML and JavaScript
Consider Using Localized Input Masks for 'Phone' and Other Restricted Inputs (64% Aren't Taking Advantage of Input Masking) – Articles – Baymard Institute
Labelmask – Alternative to Input Masks | jQuery Plugins
How to create 📱phone input mask for HTML form of Contact Form 7
Section 4.2. Input Masks | Access 2007 for Starters[c] The Missing Manual
15 JavaScript Input Mask Libraries – Bashooka
Consider Using Localized Input Masks for 'Phone' and Other Restricted Inputs (64% Aren't Taking Advantage of Input Masking) – Articles – Baymard Institute