https://forums.catholic-questions.org/threads/flights-guideline-full-list-of-priceline-%C2%AE%EF%B8%8F-usa-support-contacts-a-complete-2025-26-guide-to-assistance.641498/

https://airlinesflight.zohodesk.com/portal/en/kb/articles/how-do-i-get-american-airlines-to-answer-support-call-line

https://forums.catholic-questions.org/threads/official-complete-list-of-all-expedi%F0%9D%93%AA%C2%AE%EF%B8%8F-customer%E2%84%A2%EF%B8%8F-contact-numbers-in-the-usa-1-a-step-by-step-guide-%E2%80%9D.641497/

https://www.writershelf.com/article/complete-list-of-lufthansa-airlines-usa-customer-service%E2%84%A2-contact-numbers-the-detailed-guide

https://forums.catholic-questions.org/threads/full-list-of-qatar-airways%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-guide.641495/

https://forums.giantitp.com/showthread.php?683934-Contact-Methods-LATAM-Airlines%AEUSA-Contact-Care-Numbers-An-All-inclusive-Guide&p=26260091#post26260091

https://forums.catholic-questions.org/threads/full-list-of-delta-airlines%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-guide.641494/

https://linkmix.co/42963530

https://forums.catholic-questions.org/threads/full-list-of-american-airlines%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-guide.641491/

http://forums.graphonomics.org/index.php?threads/complete-list-of%E2%84%A2%EF%B8%8F-lufthansa%C2%AE-airlines%E2%84%A2%EF%B8%8F-contact-numbers-in-the-usa%C2%AE%C2%AE%EF%B8%8F-%E2%80%93-the-ultimate-guide.290348/