Barcodes

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Barcode length

The majority of product codes are following EAN-13 standard, and, as such, are 13 chars length.

As of 2022-04-06, Open Food Facts contains more than 12,000 products (~0.5%) with a barcode longer than 13 chars.

The majority of barcodes with 20 numbers are products prepared, packaged and sold by Bonarea (cheese, meat, fruits, etc.); eg. https://world.openfoodfacts.org/cgi/search.pl?search_terms=Queso+de+mezcla+semicirado&search_simple=1&action=process&json=1; these barcodes are true barcodes and not a data issue, as can be seen on this picture.
- They are beginning with 00.
- Price seems to be included in the barcode: in 00162403200322003538, the price, €3.53, is included just before the last digit.
- ~7500+ products
20+ are beginning with 0105400141
[to be completed]

Open Food Facts website can't display a product with a barcode longer than 24 chars (a bug is open).

Non Standard Barcodes
Brands to add based on barcode
Global brands and companies taxonomy: Barcode prefixes for brands are already included
Global countries taxonomy : Barcode prefixes for countries will be included
Barcodes/Countries: Map from barcode initials to country or purpose
Verification/Noteworthy Products#Products with same bar code: List of instances where two or more products have been identified as having the same barcode.