input type for phone number in html
The <input type="tel"> defines a field for entering a telephone number. Note: Browsers that do not support "tel" fall back to being a standard "text" input. Tip: Always add the <label> tag for best accessibility practices!
Define a field for entering a telephone number:
<label for="phone">Enter your phone number:</label>
<input type="tel" id="phone" name="phone" pattern="[0-9]{3}-[0-9]{2}-[0-9]{3}">