Should you believe you have been billed incorrectly, please request an explanation from your nearest Southwest Gas Corporation Business Office. The Customer Assistance telephone number of the office that serves you is printed on the front of your bill (top).
Southwest Gas Corporation is regulated by the Arizona Corporation Commission in Phoenix at 1200 West Washington Street, Phoenix, Arizona, 85007, and may be reached by telephone at (602) 542-4251 or toll-free at 1-800-222-7000. In Tucson, the Arizona Corporation Commission is at 400 West Congress Street, Suite 218, Tucson, Arizona, 85701, and may be reached at (520) 628-6550 or toll-free at 1-800-535-0148.
Because utility commission guidelines and regulatory requirements differ in the areas we serve, your bill may differ from those in other Southwest Gas areas. In an effort to help you understand your bill, we have placed an explanation of how your bill is calculated online. Please begin by selecting the area in which you live. The examples online are not intended to represent a true comparison in usage or average costs between areas we serve.