Lonnie Emmons Jr. has been appointed director of sales for AT&T mobility operations in Colorado and will oversee retail sales in the state from an office in Denver.

Emmons previously worked as area retail sales manager for AT&T in Southeast Missouri and Southern Illinois.

AT&T operates one of the largest wireless networks in the U.S., offering voice and data capabilities for mobile devices as well as Internet access at a total of more than 30,000 locations.