Https://dcforms.dc.gov/sites/default/files/webform/a-quick-full-list-of-lufthansa-airlines-customertm-contact-service-numbers-in-the-usa-2025-guide.pdf . https://dcforms.dc.gov/sites/default/files/webform/a-quick-full-list-of-lufthansa-airlines-customertm-contact-service-numbers-in-the-usa-2025-guide.pdf https://dcforms.dc.gov/sites/default/files/webform/a-quick-full-list-o... https://dcforms.dc.gov/sites/default/files/webform/a-quick-full-list-of-lufthansa-airlines-customertm-contact-service-numbers-in-the-usa-2025-guide.pdf