Https://forum.ersatzteilshop.de/t/full-24-7-list-of-united-airlines-customer-service-24-7-talk-to-person-support-numbers-an-official-guide/2543 https://forum.ersatzteilshop.de/t/full-24-7-list-of-united-airlines-customer-service-24-7-talk-to-person-support-numbers-an-official-guide/2543