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Code 3of9 Barcode Web Service The Code 3 of 9 (Code 39) barcode is an alphanumeric barcode that can contain decimals, uppercase letters and some punctuation characters. The punctuation characters allowed are the dash (-), period (.), dollar sign ($), slash (/), percent (%) and the plus (+). The asterisk (*) is used as a start/stop character. The 'extended' version of Code 39 is a variation of the basic set which encodes the entire ASCII character set (128 symbols) using pairs of Code 39 characters. This generator supports all the features of these barcodes including the optional generation of checksums. Special symbols of Extended Code 39 should be passed in URL encoded form. |