Barcode Verification

What is Barcode Verification? Barcode verification is a test to determine the quality of a printed barcode.   Typically this carried out on a product’s final packaging or printed artwork proof.   A barcode verifier machine is used to scan the printed barcode several times at various angles, a resulting ISO grade (4 – 0 / A … Read more

Using Barcodes on Amazon

Amazon’s barcode acceptance policies and its enforcement are subject to change.  We therefore cannot guarantee that the barcodes we supply will always be accepted by Amazon.  To be certain of Amazon’s latest requirements we recommended contacting Amazon directly. Amazon’s current stated policy prefers that sellers are members of GS1.  However Amazon’s enforcement of this varies with … Read more

Company Prefixes

A company prefix is represented by the first few leading digits of a barcode number.  Company prefixes in an UPC-A or EAN-13 barcode can be anywhere between 5 and 11 digits long, this is otherwise known as a “variable length prefix”.  Re-seller barcodes such as ours are generally subdivided from a large batch of numbers with … Read more