The push for supply chain transparency is one of the biggest trends impacting the food industry. Brands have taken notice and adopted various certifications to prove that their products are grown organically, that their farmers receive fair wages, or to address other professional concerns. There are also food safety aspects, for example, knowing where a salmonella outbreak is located is key to warning consumers. Walmart, the world’s largest retailer and a huge buyer of agricultural products, has been one of the most visible faces in food transparency, with a push involving blockchain technology, requiring suppliers to provide traceability data and expanding its own in-house milk processing capabilities.
But even with its third dairy plant scheduled to open in 2026, the retail giant still has to source milk from countless farmers to fill all the tanks of its own-brand Great Value milk. Fortunately, for curious American consumers who want to know where the milk they buy at Walmart comes from, or perhaps support certain farms, there’s a very simple way to find out. Every milk container has a code that identifies the state and farm where the milk was produced, no matter what brand it is. But since Walmart has such a large footprint in various markets, including dairy, it’s worth exploring further.
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Cracking the code of milk’s origins
Walmart’s refrigerated dairy section – PJ McDonnell/Shutterstock
The code begins with two numbers indicating the U.S. state or region in which the milk was produced, followed by a dash and then one to five digits, which can be numbers or letters that tell the exact location of the dairy farm. You may see the letters PLT in front of the code, which stands for “plant.” It’s helpful to know that the code does not contain colons. Also, keep in mind that if your container doesn’t have a code on it, it may not contain a dairy product, such as these brands of almond milk, or it may be from a new dairy product that hasn’t been added to the database yet.
Let’s say you bought some value milk, but it seems to be going bad faster than normal, and you want to know where it came from. You can choose this scenic route by looking for a code on the list of interstate milk shippers published by the U.S. Food and Drug Administration. Alternatively, you can take the easier route and enter the code into the search bar on the whereismymilkfrom.com website. The site doesn’t just search the database for you, it also provides a helpful primer on all the details you need to find and understand the code, perhaps making your breakfast conversations a little more interesting as you pass around that gallon of milk.
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Read the original article on Tasting Table.
