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The UPS Code begins with a Number System Character (on the left of the symbol):
0 = Grocery
1 = Unknown
2 = Variable weight items such as fruit, meat and produce
3 = National Drug Code and Health Related Items
4 = Reserved for NDC and HRIC, if manufacturer identification code on left has to be
expanded to 11 digits (1st five on the left side, 6th will be placed at the right of the
symbol)
5 = Reserved for use on coupons
6 = Encodes a 12-digit code when the code must be expanded
7 = Unknown
8 = Unknown
9 = Encodes a 12-digit code in stores where more information is needed on symbol
The first group of numbers (generally 5) is the Manufacturer’s Code, and the second group of
numbers (generally 5) is the Manufacturer Product Code (such as an item number). The Code
ends with a Check Character (to the right of the symbol) whose purpose is to check for errors,
such as an unauthorized addition of lines that could result in the computer reading the wrong
number.
There are various other UPC Code designs that have been utilized such as the Zero
Suppression Method (Design #2, 2nd most commonly used design) which permits zeros to be
eliminated from the ten digit code number, thereby narrowing it to six numbers, which reduces
the width of the symbol so it can fit on a product with a smaller package. Known as truncation,
this method also reduces the height by shortening the length of the vertical lines; but it also
reduces the computer’s effectiveness in reading the symbol omni-directionally. It is the second
most commonly used UPC design. Mary Stewart Relfe believed that the intention of this
alternate design was to insure that the general public would not crack the UPC code. It actually
represents half of the regular symbol. The design incorporates bar codes from the first and
second sets, and from a third set created from the second set.
There is an extended version of the main design (Design #3) for use on magazines and books.
While the main portion of the design will only use bar codes from the first and second sets; the
extended area on the right side of the symbol will use bar codes from all three sets.
Going back to Revelation 13:17, it says: “And that no man might buy or sell, save he that had
the mark, or the name of the beast, or the number of his name.” Incredibly, as you have seen,
through the use of the UPC system of encoding products, we are actually buying and selling with
the number 666. The left and right-hand guides, and center bar patterns in Design #1, is
designated by the following binary codes:
left-hand guide: 101
center bar pattern: 01010
right-hand guide: 101