https://forum.redpitaya.com/viewtopic.php?f=8&t=26307

https://www.toontastic.net/board/topic/44705-full-list-of-expedi%F0%9D%93%AA%C2%AE%EF%B8%8F-customer%E2%84%A2-support%C2%AE%EF%B8%8F-usa-contact-numbers-your-expert-guide/

https://www.toontastic.net/board/topic/44704-general-list-of-expedia%E2%84%A2%EF%B8%8F-contact%C2%AE%EF%B8%8F-numbers-in-the-usa%C2%AE%EF%B8%8F-247-liveperson-the-ultimate-detailed-guide/

https://jackarmy.net/forum/threads/meticulous-and-fast-contact-list-%E2%80%93-american-airlines%C2%AE-assistance-via-%E2%80%93-updated-for-2025.25840/

https://jackarmy.net/forum/threads/full-list-of-copa-airlines%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-easyguide.25841/

https://www.toontastic.net/board/topic/44702-complete-directory-of-expedia%E2%84%A2%EF%B8%8F-contact%C2%AE%EF%B8%8F-numbers-in-the-usa%C2%AE%EF%B8%8F-247-live-agent-support/

https://www.toontastic.net/board/topic/44701-full-list-of-expedi%F0%9D%93%AA%C2%AE%EF%B8%8F-customer%E2%84%A2-support%C2%AE%EF%B8%8F-usa-contact-numbers-your-expert-guide/

https://www.toontastic.net/board/topic/44700-full-list-of-expedia%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-guide/

https://jackarmy.net/forum/threads/full-list-of-scandinavian-airlines%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-easyguide.25839/

https://jackarmy.net/forum/threads/full-list-of-frontier-airlines%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-easyguide.25838/