Https://www.theworldofcdi.com/community/topic/complete-guide-official-united-airlines-representative-phone-numbers-in-the-usa-full-detailed-guide/#postid-1763 https://www.theworldofcdi.com/community/topic/complete-guide-official-united-airlines-representative-phone-numbers-in-the-usa-full-detailed-guide/#postid-1763