How many digits are in a UPC Code? Posted in Documentation A universal product code (UPC) is 12 digits, an EAN is 13 digits. If you open the .csv and you don’t see all 12 digits, please adjust your viewing settings to ensure you sell all 12 digits and each code is unique. Need codes? How useful was this page? Click on a star to rate it! Submit Rating Average rating 5 / 5. Vote count: 1 No votes so far! Be the first to rate this post. ‹ SnapUPC.com is now UPCs.com How to purchase UPC Codes to Sell in Walmart ›