Https://mlpforums.com/topic/205974-full-list-of-united-airlines%C2%AE-customer%E2%84%A2-contact-numbers-in-usa-the-official-guide/ https://mlpforums.com/topic/205974-full-list-of-united-airlines%C2%AE-customer%E2%84%A2-contact-numbers-in-usa-the-official-guide/