https://www.flightsim.com/forums/topic/63518-fulllist-united-airlines-%C2%AE%EF%B8%8F-customer-service-number-%E2%84%A2%EF%B8%8F-usa-contact-numbers-guide%E3%80%90%EF%BB%BF%EF%BC%92%EF%BC%90%EF%BC%92%EF%BC%95%E3%80%91/ https://forums.p-insurgence.com/t/full-list-united-airlines-customer-service-numb/47008...