https://discourse.coreelec.org/t/18-full-list-of-united-customer-care-contact-numbers-in-usa/56062 https://discourse.coreelec.org/t/full-list-of-united-customer-contact-numbers-in-usa-an-ultimate-step-by-step-guide/56067 https://discourse.coreelec.org/t/full-list-of-delta-airlines-customer-service-usa-contact-numbers-us/56070...