title: ASP.NET MVC 4 Zip Code Validation
body: <p>I am using ASP.NET MVC 4 and I am looking for a attribute for Zip Code Validation</p>
  
  <pre><code>[Required(ErrorMessage = "Zip Code is Required")]
  [ZipCode]
  public string ZipCode { get; set; }
  </code></pre>
  
  <p>I know this doesn't work, but this is what I am looking for.</p>
  
  <p>Can anyone Help</p>
  
  <p>I need the Zip for just USA</p>