| https://discourse.prongs.org/t/spirit-airlines-customer-service-contact-numbers-a-complete-usa-guide-2025/7771 |
| https://discourse.prongs.org/t/complete-list-of-qatar-airways-customer-contact-numbers-in-the-usa-try-these-47-contact-options/7775 |
| https://forum.velo101.com/topic/42758-american-%F0%9D%94%B8%F0%9D%95%9A%F0%9D%95%A3%F0%9D%95%9D%F0%9D%95%9A%F0%9D%95%9F%F0%9D%95%96%F0%9D%95%A4-%C2%AE-usa%E2%84%A2%EF%B8%8F-official-customer-service-contact-numbers-the-unlimited-2025-guide/ |
| https://www.budsgunshop.com/community.php/q/view/q_id/114622/frontier+airlines+usa+contact+numbers+guide |
