title: get State name from region_id Magento 1.6.2
body: <p>I need to display a single State Name in Magento 1.6.2 by converting the <code>region_id</code>
  to the <code>state name</code>.</p>
  
  <p>I have the <code>region_id</code> and can return the array of all US states with </p>
  
  <pre><code>$states = Mage::getModel('directory/country')-&gt;load('US')-&gt;getRegions();
  </code></pre>
  
  <p>but cannot find a help class that converts the <code>region_id</code>.</p>