In Florida, C Spire's LTE service will be available starting this coming fall in 6 cities located in four northwest Florida counties, including Gulf Breeze, Destin, Fort Walton Beach, Mary Esther, Cinco Bayou and Miramar Beach.
In Alabama, the service will be found this fall in 15 cities in the south Alabama counties of Mobile and Baldwin, including Mobile, Prichard, Saraland, Satsuma, Chickasaw, Daphne, Fairhope, Foley, Gulf Shores, Loxley, Orange Beach, Summerdale, Robertsdale, Silverhill and Spanish Fort.
C Spire used to be known as Cellular South until changing its name in September of 2011. The carrier serves the southeastern portion of the United States.
source: CSpire via AndroidCentral