The new cost includes extra megabytes of data usage for the lowest-priced service package.
AT&T says it will notify customers when they reach their data limits.
Overage fees run between $10 and $20.
The new cost includes extra megabytes of data usage for the lowest-priced service package.
AT&T says it will notify customers when they reach their data limits.
Overage fees run between $10 and $20.