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Contact Information
The Gas Transportation Customer Service Center is available to assist you with billing inquiries, contract processing, nominations, credit activities and authorized use request. If you would like to email your questions you may email them to GTQA@southernco.com
The telephone number is 630.983.4040.
- Option 1 for a customer service representative
- Option 2 for the nominations desk
- Option 3 for Critical Day and OFO information
The fax number 630.983.6070.
For Gas Exchange problems please call 630.388.2589.