https://www.survivalservers.com/forum/index.php?/topic/24850-2025-verified-list-of-united-airlines-customer%E2%84%A2-service%E2%84%A2-usa-phone-numbers-%E2%80%93-full-support-directory/
https://www.survivalservers.com/forum/index.php?/topic/24859-complete-list-of-united-airlines-customer%E2%84%A2-service-usa-contact-numbers-your-expert-guide/