Hard to say, A-T-and T offers at least 6 different speeds, which package do you have?
Dial up? DSL? U-Verse Fiber, and if U-Verse Fiber which of the 4 speeds? We went from ATT DSL to ATT U-Verse highest speed under a 1 year trial, then scaled back to the slowest fiber plan which is still 6 times faster than DSL.