Manage Your Account
  • View & Pay Bill
  • Gas Emergency
  • Start/Stop Service

To report a carbon monoxide
or gas emergency:


  • Leave the area immediately.
  • From a safe place, call 911 and call us at 1-888-460-4332.

DO NOT:

  • Send us an email to report the odor or incident.
  • Use a cellular phone or phone until you leave the area.

Remain in a safe place until our service technician arrives to perform a safety check.


Other Gas Safety Information

Start, Stop, or Transfer Service

Call us at 1-888-460-4332. Our Customer Service representatives are here to assist you Monday through Friday from 7:00 a.m. to 5:30 p.m.

Current Customers

Log in to your account to stop your gas service.

New Residents

Welcome! Please call us at 1-800-440-6111 to find out if we serve your address. We can also help transfer an existing gas account into your name.

Landlords

To set up a Property Owner Agreement with us, please complete this form and mail it to: NiSource, P.O. Box 9016, Endicott, NY 13761-9016.

Call 811 before you dig!

It's free, easy and the law.

Learn More

Imposters and Scams

Learn how to protect yourself from scams, fraud and impostor.

Learn More

Headline News

Columbia Gas of Maryland Reminds Customers and Contractors to “Call 811 Before You Dig” This Spring

With April marking the eighth annual National Safe Digging Month, Columbia Gas of Maryland reminds homeowners and contractors that before they pick up a shovel, they need to pick up the telephone and call 811.

Columbia Gas of Maryland Reminds Customers and Contractors to “Call 811 Before You Dig” This Spring

Columbia Gas of Maryland Reminds Public of Carbon Monoxide Safety During National Poison Prevention Week

Columbia Gas of Maryland, Inc. is encouraging customers to stay safe by learning the signs of carbon monoxide poisoning in recognition of National Poison Prevention week (March 15-21).

Columbia Gas of Maryland Reminds Public of Carbon Monoxide Safety During National Poison Prevention Week

Columbia Gas of Maryland Shares Ethics Award for Fourth Consecutive Year

Columbia Gas of Maryland and its fellow NiSource Inc. (NYSE: NI) companies have been designated as one of the World's Most Ethical Companies by the Ethisphere Institute for the fourth consecutive year. Ethisphere is a leading international organization dedicated to the creation, advancement and sharing of best practices in business ethics, corporate social responsibility, anti-corruption and sustainability.

Columbia Gas of Maryland Shares Ethics Award for Fourth Consecutive Year

Columbia Gas Cold Weather Minute: Reduce Energy Costs with a Free Weatherization Program

You can lower your natural gas consumption and better manage energy use through a home energy audit.

Columbia Gas Cold Weather Minute:  Reduce Energy Costs with a Free Weatherization Program

Columbia Gas Cold Weather Minute: Insulate Hot Water Pipes to Reduce Heat Loss

Raise water temperatures two to four degrees Fahrenheit by insulating hot water pipes.

Columbia Gas Cold Weather Minute: Insulate Hot Water Pipes to Reduce Heat Loss