AT&T 5G is now nationwide. (Limited AT&T 5G availability.  May not be available in your area.  For coverage details, visit att.com/5Gforyou.)  Since first launching 5G+ service and devices for business in late 2018, we now offer two flavors of 5G service across the country, 5G and 5G+. 5G service is provided over low band spectrum and offers broader coverage. This is what is now nationwide.
AT&T  5G+ uses high band millimeter wave technology and offers large amounts of bandwidth and speed for short line of sight distances. Currently this is available in parts of 35 cities across the U.S. You can find a map of and information on our 5G coverage here.