https://www.mobygames.com/forum/12/thread/273220/full-list-of-flair-airlines-customer-contact-numbers-in-usa-a-ul/#post-273220
https://forums.brianenos.com/topic/316973-fullcomplete-list-of-expedia-customer-service-numbers-step-by-step-guide/
https://force11.org/wp-content/uploads/2025/08/Talk-to-Someone-at-Latam-Airlines_-A-Complete-Guide-Directory.pdf
https://peter.freeflarum.com/d/346-complete-list-of-singapore-airlines-usa-contact-numbers-2025-guide
https://force11.org/wp-content/uploads/2025/08/quickbooks-customer-service-number-usa-contact-numbers-a-complete-2025-guide.pdf