JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://unpkg.com/imask"></script>
Телефон 1 <input name="phone" type="text">
Телефон 2 <input id="phone2" type="text">
Телефон 3 <input id="phone3" type="text">JavaScript
var element = document.getElementByName('phone');
var maskOptions = {
mask: '+{7}(000)000-00-00'
};
var mask = new IMask(element, maskOptions);