Input Type Tel
Input type="tel" is used in the telephone number field. If type="tel" is used, it does not make it mandatory to provide any specific information in the input element. Telephone number validation can be done using the pattern attribute or the JavaScript setCustomValidity() method.
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form>
<label for="telePhone">Telephone Number</label>
<input type="tel" id="telePhone">
<input type="submit" value="Submit">
</form>
</body>
</html>