Medical Group Management Association of Alabama, is a professional association providing information, networking and development for the medical group practice administrators in the state of Alabama.
The 331 area code is used for Naperville as well as its neighbor Aurora. As a fairly recent area code, it was implemented as an overlay to the 630 area code in 2007.Currently, the 331 area code is mainly preserved for small suburbs of western Chicago, including a few neighborhoods in the Cook and Dupage Counties.he Naperville area code is fairly wealthy with a median family income of $130,000. Furthermore, only 2.5% of the population in the 331 area code lives below the poverty line.
Coverage [edit]. Area code 813 covers all of Hillsborough County, the city of Oldsmar in Pinellas County, and the central portion of Pasco County. The eastern portion of Pasco County is in area code 352, while the western portion is in area code 727.rea code 813 became Florida's second area code in 1953, when it was split from the state's original area code, area code 305.