https://www.fundamentalforums.org/threads/fulltm-list-of-united-airlinesn-customer-c-service-24-7-live-person-support-numbers-a-complete-guide.14581/   https://www.analystforum.com/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-full-complete-guide/158873...