https://www.insuredforum.com/threads/official-full-list-of-british-airwaysregisteredcustomer-contact-numbers-in-the-usa.10643/         

https://planethanyu.com/topic/4735-talk-to-someone-at-british-airways%C2%AE%EF%B8%8F-usa-contact-numbers-complete-2025-guide/          

https://www.insuredforum.com/threads/full-list-complete-official-air-france-customer-care-r-numbers-in-the-a-complete-guides.10644/            

https://planethanyu.com/topic/4737-c%E2%9B%A7omplete-list-of-official-delta-airlines%E2%84%A2%EF%B8%8Ftoll-free%E2%84%A2%EF%B8%8F-contact-numbers-in-the-usa-detailed-stepbystep-guide/        

https://planethanyu.com/topic/4738-c%E2%9B%A7omplete-list-of-official-american-airlines%E2%84%A2%EF%B8%8Ftoll-free%E2%84%A2%EF%B8%8F-contact-numbers-in-the-usa-detailed-stepbystep-guide/             

https://planethanyu.com/topic/4739-c%E2%9B%A7omplete-list-of-official-united-airlines%E2%84%A2%EF%B8%8Ftoll-free%E2%84%A2%EF%B8%8F-contact-numbers-in-the-usa-detailed-stepbystep-guide/