Official website for Costsco Wholesale. Shop by departments, or search for specific item(s).

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Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Costco Wholesale is a multi-billion dollar global retailer with warehouse club operations in eight countries. We are the recognized leader in our field, dedicated to quality in every area of our business and respected for our outstanding business ethics.

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Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Find and select your local warehouse to see hours and upcoming holiday closures.Find a Costco warehouse location near you.

You can obtain your new membership cards by visiting the membership counter of your local Costco. Please be advised that registering to shop online at Costco.com is not an application for membership.

Shop Costco.com's large selection of grocery & household products, now offering grocery home delivery. Find low warehouse prices on name brand groceries.