Costco email format
Most Costco addresses follow the flast@costco.com pattern (e.g. jsmith@costco.com) (as of 2026-10-13). See the worked variants below before you reach out.
Costco email format pattern
flast@costco.com
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Common Costco email format variants
| Pattern | Example |
|---|---|
| first.last@costco.com | jordan.lee@costco.com |
| first@costco.com | jordan@costco.com |
| f.last@costco.com | j.lee@costco.com |
| firstlast@costco.com | jordanlee@costco.com |
| first_last@costco.com | jordan_lee@costco.com |
These are company-level patterns. Individual verified, deliverable addresses are revealed with Derrick.
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Looking for a specific person?
- Ron Vachris · President and Chief Executive Officer
- Gary Millerchip · Executive Vice President and Chief Financial Officer
- Caton Frates · Senior Executive Vice President, Chief Operating Officer - Warehouse Operations, U.S. and Mexico
- Javier Polit · Executive Vice President, Chief Information and Digital Officer
- John Sullivan · Executive Vice President, General Counsel and Corporate Secretary
- Sarah George · Executive Vice President, Chief Operating Officer - Merchandising
- Claudine Adamo · Executive Vice President, Administration
- Pierre Riel · Executive Vice President, Chief Operating Officer, International Division
- Yoram Rubanenko · Executive Vice President, Chief Operating Officer - Eastern Division
- Teresa Jones · Executive Vice President, Chief Operating Officer - Global Depots and Traffic
More about Costco
FAQ
Frequently asked questions
What is Costco's email format?
Costco generally uses the flast@costco.com format (for example jsmith@costco.com). See the variants table above for the other common patterns.
How do I find a specific Costco employee's email?
Apply the flast@costco.com pattern to their name, then find and verify the real, deliverable address with Derrick, so you do not guess.
How do I verify a Costco email address?
Run the address through Derrick's Email Verifier. It confirms whether the mailbox is valid and deliverable before you send.