Canadian Utilities Customer Service Phone Numbers Canadian Utilities Customer Service: (403) 292-7500 ATCO Gas Emergency Edmonton and local areas: (780) 420-5585 Calgary and local areas: (403) 245-7222 All other areas: 1-800-511-3447 (toll-free) ATCO Electric Emergency: 1-800-668-5506 ATCO Gas – Media Relations: (780) 288-7621 (24 hours) Electric – Media Relations: (780) 691-1866 (24 hours) ATCO Pipelines Emergency: