https://unitedsupportdesk.createaforum.com/general-discussion/full-list-of-united-airlines-customer-contact-service-numbers-in-the-usa-2025-gu/
https://unitedsupportdesk.createaforum.com/general-discussion/fulllist-of-united-airlines-customer-service-numbers-in-usa-an-updated-official-/
https://unitedsupportdesk.createaforum.com/general-discussion/full-list-of-united-airlines-customer-service8471-247-talk-to-person-support-num/