More information and a chart of the standard Code 39 character set is here. The Code 39 character set includes uppercase A-Z, digits 0-9, a handful of punctuation marks ( $ % +. Standard Code 39 barcodes can include 44 characters including the asterisk (*), which is used as the start bar and stop bar. Because of these paired characters, Full ASCII Code 39s are wider than standard Code 39s. These pairs represent the lower ASCII 128 not available in the standard Code 39 character set - things like lowercase letters and more punctuation, as well as the TAB and CR/LF (enter key). Full ASCII Code 39 (or 'extended Code 39') barcodes are used to encode the lower 128 ASCII characters by using pairs of Code 39 characters (the full chart is below).
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June 2023
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