Lone Star, Texas Area Code
Lone Star, TX is officially utilizing an area code overlay in which area codes 903 and 430 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Lone Star, TX area code information read more about area codes 903 and 430 details and Texas area codes.
Lone Star, TX is located in Morris County and observes the Central Time Zone.
View our Times by Area Code tool.