https://www.theworldofcdi.com/community/topic/full-list-of-lufthansa-airlines-customer-care-usa-contact-numbers-a-step-by-step-guide/#postid-1674 https://www.theworldofcdi.com/community/topic/full-list-of-lufthansa-airlines-customer-service-contact-numbers-in-usa-a-ultimate-step-by-step-guide/#postid-1675...