Barcodes you should know

I don't know how accurate this is, but its a start

Steer Clear of Melamine - Barcodes You Should Know Even though the FDA is finally addressing the possible introduction of Melamine laced dairy into the US market from China, there is still no legislation forcing manufacturers to clearly disclose where products are made. Thankfully, consumers are no longer “buying blind.” There is one way to determine the originating country of a particular item – the barcode. The next time you are are wondering where a product is made, check out the first three numbers of the barcode. If the digits are 690-695, then it is made in China. A more complete list is below: 00 – 13 USA & Canada 30 – 37 France 40 – 44 Germany 49 Japan 480 Philippines 50 UK 57 Denmark 64 Finland 76 Switzerland and Liechtenstein 628 Saudi Arabia 629 United Arab Emirates 690 – 695 China 740 – 745 Central America