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Support XFINITY Internet If I am enrolled in the Flexible-Data Option, what information will be displayed on my bill?

Introduction

This information only applies to Economy Plus customers in Huntsville and Mobile, AL; Atlanta, Augusta and Savannah, GA; Central Kentucky; Maine; Jackson, MS; Knoxville and Memphis, TN; and Charleston, SC, who choose to participate in the Flexible-Data Option.

If you choose the Flexible-Data Option and use more than 5 GB of data in a given month, then the XFINITY Internet section of your bill will list a charge of $1.00 per gigabyte of data used in excess of the 5 GB included in the Flexible-Data Option.

If you use 5 GB of data or less in the month, then the XFINITY Internet section of your bill will show a credit of $5.
 
Note: Since this program is optional, there will be no courtesy credits issued in the event that overage charges are incurred.

Find this article at:

http://customer.comcast.com/help-and-support/internet/exp-fdo-information-displayed-on-bill/