A common worry among new sellers is whether the barcode they buy today will still work next year. Here is the straightforward answer.
Barcode numbers don’t have an expiry date
A UPC or EAN is just a unique number. There is no built-in expiration — it remains valid indefinitely for the product it identifies.
What can change is your relationship with a barcode issuer (for example, an annual GS1 membership fee), but the number assigned to your product does not stop working.
When you actually need a new barcode
You need a new number when you launch a new product or a new variation — not because an old one ‘ran out’.
Never reuse a number across two different products; that causes duplicate errors. One product, one number, for the life of that product.
Keeping your listings healthy
Keep a simple record of which number is assigned to which product. Consistency is what keeps your listings valid over time.
If a number was bought from a reputable source as unique and unused, it will continue to serve that product without issue.
Frequently Asked Questions
Do I have to renew my barcode every year?
The number itself does not need renewal. Only ongoing GS1 membership (if you go that route) carries a recurring fee.
Can an old barcode stop working?
The number stays valid. Problems only arise from reusing it on a different product or entering it incorrectly.
Do I need a new barcode for a new size or color?
Yes — each distinct variation should have its own unique barcode number.
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