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.

Headline News

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

With April marking the seventh 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 Shares in Ethics Honor

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 in Ethics Honor

Columbia Gas of Maryland Reminds Customers of Natural Gas Safety Measures with Changing Temperatures

In light of this winter’s significant snowfall and the continuing cycle of thawing and refreezing, Columbia Gas of MD is urging customers to be aware of natural gas safety measures related to weather changes.

Columbia Gas of Maryland Reminds Customers of Natural Gas Safety Measures with Changing Temperatures

Columbia Cold Weather Minute: Conserve Energy When Utilizing Household Appliances

Water heating represents almost 18 percent of home energy use.

Columbia Cold Weather Minute: Conserve Energy When Utilizing Household Appliances

Columbia Cold Weather Minute: Reduce Energy Usage and Save Money on Energy Bills

Columbia Gas of Maryland, Inc. is committed to helping customers save money and use energy more wisely.

Columbia Cold Weather Minute: Reduce Energy Usage and Save Money on Energy Bills