The toll-free number for JetBlue is 1-800-538-2583 or 1-800-JETBLUE, as of March 2015. This number is available for callers at any time, as stated by JetBlue.
As an alternative, customers can contact JetBlue by email to ask questions or to provide suggestions. The customer can also voice concerns or share compliments about specific crew members. To go through the email process, the customer needs to select a topic and provide contact information, including name and email address. If the email type is concerns and compliments, the customer may need to provide flight information. Then, the customer can type the message into the provided text box.