Effective Saturday, October 15, 2016 all consumers and businesses with 317 numbers will keep their current numbers, but ten-digit dialing will be mandatory in the 317/463 area. There are things you must do to insure your business phone system is set-up correctly in order to avoid any interruption to your organization when your business opens on Sunday or Monday following the implementation. Gibson Teldata has prepared a special white paper and FAQ to help explain how this overlay area code addition impacts your business and what steps you should take to make sure you are prepared. Click here for more information and to view the white paper and FAQ. After October 15, 2016 new numbers will begin to be assigned the new 463 Area Code.