how do yo make a phone number active on a webpage code example

Example 1: html make phone number callable

Area code with dashes, 1 and + sign

<a href="tel:+1-555-555-1212">555-555-1212</a>
Area code with no dashes, 1 and + sign

<a href="tel:+15555551212">555-555-1212</a>

Example 2: href phone

<a href="tel:+5511981724236">98172-4236</a>