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7.15.07 5:03 PM EDT By consumerist.com
costco phone numbers customer service executive custom service
James 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
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