- https://www.gs-forum.eu/attachments/full-list-alaska-airlines-customer-contact-numbers-usa-official-guide-pdf.810683/
- https://www.gs-forum.eu/attachments/full-list-alaska-airlines-customer-service-contact-numbers-usa-comprehensive-guide-pdf.810684/
- https://www.gs-forum.eu/attachments/full-list-american-airlines-customer-contact-numbers-usa-official-guide-pdf.810685/
- https://www.gs-forum.eu/attachments/full-list-american-airlines-customer-contact-numbers-usa-official-guide-pdf.810685/
- https://www.gs-forum.eu/attachments/full-list-delta-airlines-customer-contact-numbers-usa-official-guide-pdf.810687/
- https://www.gs-forum.eu/attachments/full-list-delta-airlines-customer-service-contact-numbers-usa-comprehensive-guide-pdf.810688/
- https://www.gs-forum.eu/attachments/full-list-of-british-airways-customer-contact-numbers-in-the-usa-an-official-guide-pdf.810689/
- https://www.gs-forum.eu/attachments/full-list-official-alaska-airlines-customer-service-contact-numbers-usa-pdf.810690/