We're here to help you

Not finding what you need? We want to hear from you. Below are all the ways you can get in touch with us. 

Call us

Customer Service and Gas Emergencies

1-888-460-4332

TDD/TTY

National Relay: 711

Send a message

Use our online form to send us a question or comment. We'll respond to your message as soon as possible.

Send a Message


Browse our help topics

Get answers to frequently asked questions about your online account, bills, payments, energy savings and more.

Visit Help Center


Mail us

For payments

Columbia Gas of Maryland

P.O. Box 742519

Cincinnati, OH 45274-2519

For other correspondence

Columbia Gas of Maryland
P.O. Box 2318
Columbus, OH 43216-2318

For bankruptcy notices

Columbia Gas of Maryland

Revenue Recovery

P.O. Box 117

Columbus, OH 43216


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Have an emergency?

If you smell gas, think you have a gas leak, have carbon monoxide symptoms or have some other emergency situation, go outside and call 911 and then call us at 1-888-460-4332.