Contact Us

Head Office

TransCanada Corporation

450 - 1 Street SW
Calgary, Alberta, Canada
T2P 5H1

Telephone:

 1.403.920.2000
 1.800.661.3805 (Toll-free within North America)

Fax:
 1.403.920.2200

Emergency Response

Canada:
1-888-982-7222

United States:
1.800.447.8066
Portland Natural Gas Transmission System (PNGTS): 1-800-830-9865 
Columbia Gas Transmission, Crossroads Pipeline, Hardy Storage Company & Millennium Pipeline: 1-800-835-7191 
Columbia Gulf Transmission: 1-866-485-3427 
Columbia Midstream: 1-855-511-4942 

Mexico:
01-800-111-3333