What does the number on a fruit sticker mean? This is a compilation of 3 online sources by RAW EARTH LIVING . Their goal was to uncover the meanings hidden in numbers in those little stickers put on produce in the US so that the consumer can KNOW what he or she is eating ... and if it has been genetically modified, sprayed or is organic. ———————————————————————————————————————– If there are only four numbers in the PLU, this means that the produce was grown conventionally or “traditionally” with the use of pesticides. The last four letters of the PLU code are simply what kind of vegetable or fruit. An example is that all bananas are labeled with the code of 4011. If there are five numbers in the PLU code, and the number starts with “8″, this tells you that the item is a genetically modified fruit or vegetable. Genetically modified fruits and vegetables trump being organic. So, it is impossible to eat organic produce that are grown from genetically modified seeds. A ...