Https://www.biggerpockets.com/forums/921/topics/1253880-full-list-of-lufthansa-customer-contact-numbers-in-usa-in-detail-2025-gui https://www.biggerpockets.com/forums/921/topics/1253880-full-list-of-lufthansa-customer-contact-numbers-in-usa-in-detail-2025-gui https://www.biggerpockets.com/forums/921/topics/1253880-full-list-of-lufthansa-customer-contact-numbers-in-usa-in-detail-2025... https://www.biggerpockets.com/forums/921/topics/1253880-full-list-of-lufthansa-customer-contact-numbers-in-usa-in-detail-2025-gui