Nordictrack customer service can be reached by online chat on the website or by phone at 1-877-993-7999. The sales number is 1-888-308-9616. For service on a machine, the phone number is 1-800-862-3348. To track a current order the phone number is 1-800-215-7398. To request a return, the number is 1-866-896-9777. To order and pay with a personal check or money order the number is 1-877-660-1174. For questions about Nordictrack financing, call 1-800-217-7961.