Costco Wholesale
Discount Department Stores & Factory Outlets
- Address
- 3600 E Main St, Waterbury, CT, 06705
- Phone
- 203-757-9115
- Website
- costco.com
- Hours
- Mo-Fr 10:00-20:30 Sa 09:30-18:00 Su 10:00-18:00
- Updated
- May 5, 2026
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