1. Find /wp-admin/themes/myhome/header.php
2. Backup file
3. Edit file
4. Find
<?php if ( My_Home_Theme()->layout->has_header_phone() ) : ?>
<span class="mh-top-header__element mh-top-header__element--phone">
<a href="tel:<?php echo esc_html( My_Home_Theme()->layout->get_header_phone_href() ); ?>">
<i class="flaticon-phone"></i>
<?php echo esc_html( My_Home_Theme()->layout->get_header_phone() ); ?>
</a>
</span>
<?php endif; ?>
5. Change to
<span class="mh-top-header__element mh-top-header__element--phone">
<a href="tel:01234567890">
<i class="flaticon-phone"></i>
0123-456-7890
</a>
/
<a href="tel:0321-654-9876">
0321-654-9876
</a>
</span>
6. It will look like this:
7..