Address:P.O. Box 24948 Seattle, WA 98124-0948
Customer Care: 1-800-654-5669 — Monday - Friday, 8:00 a.m. to 5:45 p.m.Fax Service: 206-433-3477 E-mail Mileage Plan Customer Care
Important Mileage Plan Links: Request Mileage Credit Change Address Join Mileage Plan Now