https://www.att.com/support/article/wireless/KM1483936/
We’re increasing the monthly charge on most of our retired unlimited wireless plans. This change will allow us to provide additional benefits to your plan and continue to deliver the great wireless service you expect. Starting in August 2024, you’ll see the relevant price change reflected on your August bill.
If you have a single line of service on your plan, your monthly plan charge will increase by $10.
If you have multiple lines on your plan, your monthly plan charge will increase by a total of $20. This is the total monthly increase, not per line increase…