Delta Airlines has several toll-free numbers that allow customers to receive specialized help for mobile support, domestic and international reservations and SkyMiles accounts. The general toll-free customer care number is 800-455-2720 as of 2015.
Customers who need help using the Delta website or Delta's mobile products call 888-750-3284. The number for domestic reservations is 800-221-1212. The international reservations line is 800-241-4141. Customers inquiring about SkyMiles accounts call 800-323-2323.
In addition to the toll-free numbers, Delta offers a Need Help link that takes customers to contact information for the company. Customers simply email or engage in a live chat from the website for assistance.