For buying barcodes other than retail barcodes, Please see the links below for the various types of different barcodes you can purchase. These range from QR Codes to ITF-14 Carton codes or asset tracking barcodes.
QR Code – Quick response codes, square 2D Barcodes for linking to a URL or automatically adding business card information etc.
ITF-14 Carton Codes – For outer cartons of your product, used by larger stores for keeping track of stock
Code-128 and Code-39 Barcodes – Asset tracking barcodes
GLN Numbers – Global location numbers – These are required by some stores such as Pick n Pay in South Africa. They are used as unique identifiers for suppliers.