A few common barcodes including UPC work this way but mostly this is the exception. The 2D ones being discussed here like QR and Aztec use actual error correcti

A few common barcodes including UPC work this way but mostly this is the exception. The 2D ones being discussed here like QR and Aztec use actual error correcting codes, so none of them. In the linear space Codabar (libraries) is a widely used example that doesn’t. GS-128 doesn’t, etc.