How to use an MCI calling card
If you need information about the use of your MCI calling card, to replace a lost or stolen card, to change calling range privileges, or about credit issues on fraudulent calls, call the MCI Customer Service hotline at 1-800-790-9921. You can also find instructions for making calls on the back of the calling card.
Or, for more information about using your MCI Calling Card, click here to go to Global Telecommunications group's web page for help.
If you are having problems with your calling card, call the Customer Service Hotline at 1-800-790-9921.
Created by the PeopleSoft Knowledge Management Team.
Copyright © 2001
All rights reserved.
Created: dge 04/03/1997
Revised: amq 11/29/2001
Reviewed: 09/23/2004