With Austins growth comes some changes. This morning, the Public Utility Commission voted to adopt a new area code for the Austin area. The 737 area code will be introduced to the 512 in July of 2013. Commissioner Ken Anderson says the transition shouldnt be difficult for Austinites. Weve had ten digit dialing in North Texas for a long time. So welcome to the 21 st century, said Anderson. Ten digit dialing will be phased in starting this December.