Columbia Gulf Transmission Pipeline

Natural Gas Icon


If you live in Louisiana, Mississippi, Tennessee or Kentucky, there’s a good chance the natural gas that heats your home, local business, school or hospital is supplied by the Columbia Gulf Pipeline. Stretching 3,368 mile (5,420 km) in length with 11 compressor stations, Columbia Gulf connects to virtually every major pipeline in the Gulf Coast and to additional Midwestern lines. 

For commercial information, visit



3,368 miles
(5,420 km) in length


11 compressor stations


to virtually every major pipeline system in the Gulf Coast

Documents and Maps

Hundreds of communities in Louisiana, Mississippi, Tennessee and Kentucky depend on the Columbia Gulf Transmission Network every day and night.

Columbia Gulf serving markets in the Midwest, Southeast and Northeast. Explore our map below.


Regulatory Contact

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 Gulf Transmission (TransCanada)
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:
US: 1.800.447.8066
Columbia Gas Transmission: 1.800.835.7191

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
TransCanada 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)