Costco Phone Number

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This phone number was voted the best way to contact Costco out of 3 phone numbers

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In the meantime, here are recent comments from other Costco customers who called 800-774-2678:
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drcalvin
   lONG HOLD TIMES
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mrainey
   Solved my online order problem.
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Anonymous
   waited 4 or 5 minutes. voice was hard to understand and then they hung up
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grandy3158
   I pressed zero at beginning of call and call was answered after 2 rings.
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ssprinz
   You have to listen to their automated bulls**t until the bitter end, but then you get to pres...
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