Part of Questions & Answers About Our Data Usage Plan Trials.
This information applies only to XFINITY Internet customers in the following areas: Huntsville and Mobile, Alabama; Tucson, Arizona; Fort Lauderdale, the Keys and Miami, Florida; Atlanta, Augusta and Savannah, Georgia; Central Kentucky; Maine; Jackson and Tupelo, Mississippi; Knoxville, Memphis and Nashville, Tennessee; and Charleston, South Carolina. For more details, see Is my area part of the data usage plan trials?
This information does not apply to customers enrolled in the Flexible Data Option or the Unlimited Data Option. To learn more about these options, see What is the Flexible Data Option? and What is the Unlimited Data Option?
Overage Charges on the Comcast Bill
The XFINITY Internet section of your bill will list a usage charge of $10 for every additional 50 GB of data you were provided in the prior month.