JSFiddle - React, Tailwind, and code Playground

HTML

<div>
<select id="address">
  <option value="+7 (812) 999-99-99">ул.Софийская,д.8</option>
  <option value="+7 (812) 888-88-88">Лиговский пр-т,д.246</option>
</select>
<span id="tel">+7 (812) 999-99-99</span>
</div>

JavaScript

$(function()
{
	$('#address').on('change',function()
  {
  	$('#tel').html($(this).val());
  });
});