A new but highly functional App to the AppExchange is AccuZIP DQ. This address verification tool can confirm addresses down to the delivery point. Take away any guesswork and remove that nervous uncertainty of sending important documents or packages to un-confirmed addresses. Built right into Salesforce, you can feel even more secure about your data.
The comprehensive AccuZIP address verification tool for Salesforce can confirm each address you enter as real and deliverable by the USPS in real-time or batch mode to the delivery point, down to the Suite or Apartment.