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• About status of your application
• To your health plan
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Customer Service

1-800-660-9840 (press 1 for Basic Health or press 2 for Washington Health)
FAX: 360-923-2610
TTY Users
360-923-2714 through the Washington Relay Service by dialing 711

Correspondence and Application Materials Mailing Address

P.O. Box 42714
Olympia, WA 98504-2714

Premium Payments Mailing Address

P.O. Box 34270
Seattle, WA 98124-1270