Change
<div
  id="loc-name"
></div>
<div
  id="loc-phone-number"
></div>

<script>
  window.onload = function() {
    // Retrieve the value from sessionStorage
    var locationNumber = sessionStorage.getItem('location_phone_number');

    // Check if the value is not null
    if (locationNumber) {
      // Set the inner HTML of the div to a clickable link with tel href
      document.getElementById('loc-phone-number').innerHTML = '<a href="tel:' + locationNumber + '">' + locationNumber + '</a>';
    }
  };
</script>

Roof maintenance includes regular inspections to catch issues like damaged shingles, leaks, or debris buildup, problems that often follow storm damage. It also covers cleaning the roof and gutters for proper drainage, repairing damage, sealing joints and penetrations, removing moss or algae, and checking flashing and other key areas to keep your roof protecting your home.