Southern LINC SouthernLINC Wireless is a wireless communications network backed by the strength and reliability of Southern Company - the parent company of four electric utilities in the Southeast: Alabama Power, Georgia Power, Gulf Power and Mississippi Power, which are also SouthernLINC Wireless customers. In addition, SouthernLINC Wireless provides reliable wireless communications service, including mobile phones, to a wide range of businesses and consumers within our 127,000 square-mile coverage area that includes Alabama, Georgia, southeastern Mississippi, and the Florida Panhandle.