U. S. Offices

Alaska Airlines
P.O. Box 68900
Seattle, WA 98168
Tel: 1-800-ALASKAAIR

Horizon Air
19521 Pacific Hwy South
Seattle, WA 98188
Tel: 1-800-547-9308

Other Departments

Alaska Airlines Customer Care P.O. Box 68900 - SEAZI Seattle, WA 98168 Tel: 1-800-654-5669	Horizon Air Customer Relations P.O. Box 68977 Seattle, WA 98168 Tel: 206-431-3647
Central Baggage Service / Baggage Claims P.O. Box 68900 - SEALZ Seattle, WA 98168 Tel: 1-877-815-8253	Mileage Plan P.O. Box 24948 Seattle, WA 98124-0948 Tel: 1-800-654-5669
Alaska Air Group P.O. Box 68900 Seattle, WA 98168