The switch will start going into effect on Wednesday, July 14.
The carrier also boosted the amount of high-speed mobile hotspot data it allowed to 40GB in a month.
Verizon, for its part, has been leaning more heavily into adding additional perks to its plan.
Day Pass includes unlimited talk and text and uses data from your domestic AT&T plan.
One notable caveat: The carrier charges are based on your monthly billing cycle, not the actual calendar.
