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The Costco store can be found in Simi Valley, CA on Park Center Dr 2660. Is Costco open today? Yes, Costco store in Simi Valley is open. You can shop today from 10:00 AM to 08:30 PM.
|Monday||10:00 AM - 08:30 PM|
|Tuesday||10:00 AM - 08:30 PM|
|Wednesday||10:00 AM - 08:30 PM|
|Thursday||10:00 AM - 08:30 PM|
|Friday||10:00 AM - 08:30 PM|
|Saturday||09:30 AM - 06:00 PM|
|Sunday||10:00 AM - 06:00 PM|
|Hours may change during the holidays.|
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