Calfrac Well Services Customer Service Phone Numbers Customer service:  1-866-770-3722   Calfrac Well Services Headquarters Info, Email, Phone number, Website and live chat Information Calfrac Well Services Ltd. is an API Q2 certified oilfield services company operating in Western Canada, Colorado, North Dakota, Arkansas, Pennsylvania, New Mexico, Western Siberia and Argentina, and Texas. Services include hydraulic fracturing, coiled tubing, cementing