The following places sell UPC-A Barcodes for use in North America for a one off cost. These are members of the International Barcodes Network, and their barcodes include registration in the International Barcodes Database:

The International Barcodes Network is currently developing country-specific sites for Canada and the USA, however they are not operational yet. If you live in North America (or the Caribbean) you can purchase barcodes from the main International Barcodes website following the links below.

Canada Barcodeswww.internationalbarcodes.com

US Barcodeswww.internationalbarcodes.com

US Barcodes – legal-barcodes.com

US Barcodes – amazonbarcodes.info