https://forums.catholic-questions.org/threads/general-list-of-guide-british-airways-%E2%84%A2%EF%B8%8Fcall-to-live-agent-usa-contact-numbers-a-complete-guide.641505/

https://uqworld.org/t/complete-list-of-united-support-contact-number-in-the-usa-an-ultimate-official-guide/5068

https://forums.catholic-questions.org/threads/full-list-of-iberia%C2%A9-customer-service-contact-number%E2%84%A2-in-the-usa-an-offical-guide.641504/

https://forums.giantitp.com/showthread.php?683953-Full-List-Of-interCaribbean-Airways%AE-Customer%99-Service%AE-Usa-Contact-Service-Numbers&p=26260110#post26260110

https://forums.catholic-questions.org/threads/all-list-of-expedia%E2%84%A2-customer-service%C2%AE-usa-contact-numbers-a-step-by-step-guide.641501/

https://uqworld.org/t/real-complete-list-of-quickbooks-payroll-support-contact-in-the-us/5057

https://forums.giantitp.com/showthread.php?684684-Full-List-Of-DELTA-AIR%AE-Customer%99-Service%AE-Usa-Contact-Numbers-A-Step-by-step-Guide&p=26260874#post26260874

Complete Guide to QuickBooks Payroll Support USA – Official Contact Numbers

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