https://www.buzzfeed.com/singa_pore_airguide

https://www.buzzfeed.com/verified_bookingcom_helps

https://www.buzzfeed.com/bookingcom_supporthelpcontact

https://www.buzzfeed.com/verified_klm_serviceguide

https://community.personalfinanceclub.com/t/full-list-of-delta-airlines-customer-service-contact-in-usa-a-step-by-step-easyguide/5800

https://community.personalfinanceclub.com/t/full-list-of-qatar-airways-customer-service-contact-in-usa-a-step-by-step-easyguide/5799

https://www.buzzfeed.com/qantas_air_supportguide

https://community.personalfinanceclub.com/t/full-list-of-expedi-customer-service-contact-in-usa-a-step-by-step-easyguide/5802

https://www.buzzfeed.com/official_virginaustralia_helps

https://community.personalfinanceclub.com/t/full-list-of-british-airways-service-helpline-24-7-customer-help-in-usa-traveler-s-guide/5815