title: How to format postal code in SSRS Expression Builder
body: <p>I am trying to format a 9 digit postal code <code>##### - ####</code>, This is what i have at the moment, but it does not work. </p>
  
  <pre><code>IIf(Len(First(Fields!PostalCode.Value, "VesselCreditMemo"))&gt;5,
        Format(First(Fields!PostalCode.Value, "VesselCreditMemo"),
         "00000-0000"),First(Fields!PostalCode.Value, "VesselCreditMemo")
  </code></pre>
  
  <p>Any help would be greatly appreciated</p>