The Southwest Airlines customer service phone number is 1-800-435-9792 and can be used for both ticket reservations, general flight information and baggage. Southwest also provides a Spanish language customer service number at 1-800-826-6667 and an automated flight information number at 1-888-792-8747.
In addition to using its customer service numbers, Southwest Airlines customers can also contact the company by sending an email through a message form that is available on the Contact Us portion of the company's website. Customers can also send a physical letter to Southwest Airlines at P.O. Box 36647-1CR in Dallas, TX, 75235. Customers or organizations looking to contact the company's public relations and media relations department can also call 214-792-4847.