What this charge usually means
Seeing "COSTCO GAS #0591 CHICAGO IL" on your statement means you or someone using your card made a purchase at Costco in CHICAGO, IL. Charges typically fall between $20 and $600.
Common reasons this appears
- In-store purchase at Costco in CHICAGO, IL
- Online order from Costco's website
- Self-checkout or scan-and-go purchase
- Return or price adjustment reflected as a new charge
How to verify this charge
- Check your Costco purchase history online or in the app
- Review email or text receipts for matching transactions
- Verify whether you visited Costco in CHICAGO, IL around that date
- Ask other household members who may have used your card
When to worry
If you did not shop at Costco in CHICAGO, IL and no one with access to your card did, contact your card issuer. Unauthorized retail charges can indicate a stolen card number.
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