Each item has a corresponding UPC code.

UPC codes were first used in grocery stores.

You can see the manufacturer identification number in any standard 12-digit UPC code.

The last digit of the UPC code is called a check digit.

This type of problem would not exist today because of the UPC code and computerization.

The use of UPC codes may come to replace the need for such naming conventions as bar code readers become common.

Punish the Sinners was the first book with a UPC code on the cover.

UPC codes exploded in popularity after hitting the market, and today you can find them on practically every product on the shelves.

Like all of the first bar code formats, UPC codes were 1-D, meaning they only carried information in one direction.

The company said the lot number on the product is ABA619 and the UPC code 300450444271.