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<!-- Global site tag (gtag.js) - Google Ads: 858509406 -->
<script async src="https://www.googletagmanager.com/gtag/js?id=AW-858509406"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'AW-858509406');
</script>

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<script>
  gtag('config', 'AW-858509406/v6sTCNCj1awBEN6gr5kD', {
    'phone_conversion_number': '(843) 633-0246'
  });
</script>

Paste the phone snippet between the <head></head> tags of the site, right after the global site tag