Add Yahoo as a preferred source to see more of our stories on Google. Exterior of Costco warehouse - J. Michael Jones/Getty Images There are over 905 Costco warehouses worldwide, with 624 locations in ...

There are over 905 Costco warehouses worldwide, with 624 locations in the U.S. and Puerto Rico, as of this writing. Despite the warehouse giant's ubiquity, there are still three states that don't have ...