title: In Magento how can I make zip/postal code as optional?
body: <p>I am using Magneto 1.7, I want to make zip/postal code   not require (optional) in customer form. When I add new customer address or edit customer address .I need to remove zip/postal as optional. I do Google lots of and found some solution like below and remove the client side validation form these file but this solution is not working for me.</p>
  
  <pre><code>      I am also giving the screen shot of the customer form where I need to make the zip code not require
  </code></pre>
  
  <p>![enter image description here][1]</p>
  
  <pre><code>Please suggest me how can I make zip/postal code as optional
  </code></pre>
  
  <p>Thanks</p>