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Columbia Gas Transmission

Natural Gas Icon


Acquired by TC Energy in 2016, the Columbia Pipeline serves millions of customers from New York State to the Gulf of Mexico. Thanks to the network’s 12,000 miles (19,312 km) of pipelines and 37 storage fields in four states, Columbia Gas Transmission ensures the heat stays on and businesses function, even when demand increases.

For commercial information, visit ColumbiaPipeInfo.com.

Transports an average of three billion cubic feet of natural gas per day


12,000 mile (19,312 km) pipeline network


Covers 10 states and hundreds of communities


Documents and maps

The Columbia Gas Transmission Network serves hundreds of communities from New York State to the Gulf of Mexico. The network is comprised of 12,000 miles (19,312 km) of pipelines and 37 storage fields, in four states. Explore our map below.


How are we regulated?

Columbia Gas Transmission is governed according to regulations outlined by the Federal Energy Regulatory Commission (FERC).

Federal Energy Regulatory Commission (FERC)
Local 1-202-502-6088
Toll-Free 1-866-208-3372


Ways to reach us

We’re here to answer your questions. For general questions you can contact us by email, but for a quicker response, please call us directly.

Columbia Gas Transmission (TC Energy)


700 Louisiana Street
Houston, Texas 77002



Emergency Response

Our commitment to the safety of our pipelines and facilities is unwavering. In case of an emergency, please call the appropriate 24-hour toll-free hotline:

Columbia Gas Transmission 1-800-835-7191
TC Energy US: 1-800-447-8066

Landowner Helpline
A key component in maintaining the integrity of our facilities is input from all stakeholders: Indigenous communities, landowners and governments. If you have questions or concerns, please let us know.

Head Office
700 Louisiana Street
Houston, Texas 77002


Media Relations
TC Energy welcomes enquiries from media. Please direct questions to:
1-800-608-7859 Toll-free (North America)

Investor Relations
We welcome inquiries from analysts, shareholders and prospective shareholders at:
1-800-361-6522 Toll-free (North America)