batch upload addresses to get zip code + 4

[Bearcatrunner]

How can I get the Zip Code + 4 using GIS or a website for a bunch of locations?  I need this for USPS and shipping.  Does USPS or UPS have something like that?

[JayantaPoddar]

Using ArcGIS Desktop, Steps to generate ZIP+4 data using ArcMap.

* To geocode a table of addresses using the ArcGIS World Geocoding Service, an ArcGIS Online for organizations subscription is required. The service operates under a credit-based usage model that allows you to pay only for what you use. If you don't already have a subscription, purchase one or request a free trial. For more information on the credit-based usage, see credits overview for geocoding.