AT&T Expands America's Best Guarantee to Millions of Households Nationwide

AT&T Expands America's Best Guarantee to Millions of Households Nationwide Accessibility Statement Skip NavigationDALLAS, March 5, 2026 /PRNewswire/ -- The AT&T Guarantee® is now available to millions more people nationwide with the inclusion of AT&T Internet Air, plus customers with both fiber and wireless get the added perk of free Internet BackupKey Takeaways:- Customers with both AT&T Fiber and Wireless receive Internet Backup for free, guaranteed1.- AT&T Internet Air, powered by the reliable AT&T 5G wi ...