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    Contact Costco Executive Customer Service

    By Ben Popken, 1:03 PM on Sun Jul 15 2007, 4,991 views

    jamessinegal.jpgJames Sinegal, CEO
    jsinegal@costco.com
    Tel: 800-774-2678 (and Press 6) or 425-313-8163
    PO Box 34331
    Seattle, WA 98124

    General Member Service #:800-774-2678

    RELATED: What To Do Once You Call And Reach A CEO's Office

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