HomeCOSTCO #2 1-800-774-2 COSTCO #2 1-800-774-2 ChargeScam.com May 27, 2019 Scam Rating for COSTCO #2 1-800-774-2 users have rated this descriptor so far. [helpful heading="What do you think?"] Note: A user scam rating of 100% likely means that this descriptor is untrustworthy.