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	Code 39 Change Type Liner Barcodes(1D) UPC-A UPC-E EAN-8 EAN-13 Industrial 2 of 5 Interleaved 2 of 5 Code 11 Codabar Code 39 Code 93 Code 128 MSI Code 2D Barcodes QR Code PDF417 DataMatrix MaxiCode Aztec Code DotCode Micro QR Code Micro PDF417 Composite Barcodes GS1 DataBar Omnidirectional GS1 DataBar Truncated GS1 DataBar Stacked GS1 DataBar Stacked Omnidirectional GS1 DataBar Limited GS1 DataBar Expanded GS1 DataBar Expanded Stacked GS1 Composite Code Other Types Patch Code USPS Intelligent Mail Postnet Planet Australian Post UK Royal Mail (RM4SCC)	+ Add comparison Liner Barcodes(1D) UPC-A UPC-E EAN-8 EAN-13 Industrial 2 of 5 Interleaved 2 of 5 Code 11 Codabar Code 39 Code 93 Code 128 MSI Code 2D Barcodes QR Code PDF417 DataMatrix MaxiCode Aztec Code DotCode Micro QR Code Micro PDF417 Composite Barcodes GS1 DataBar Omnidirectional GS1 DataBar Truncated GS1 DataBar Stacked GS1 DataBar Stacked Omnidirectional GS1 DataBar Limited GS1 DataBar Expanded GS1 DataBar Expanded Stacked GS1 Composite Code Other Types Patch Code USPS Intelligent Mail Postnet Planet Australian Post UK Royal Mail (RM4SCC)	+ Add comparison Liner Barcodes(1D) UPC-A UPC-E EAN-8 EAN-13 Industrial 2 of 5 Interleaved 2 of 5 Code 11 Codabar Code 39 Code 93 Code 128 MSI Code 2D Barcodes QR Code PDF417 DataMatrix MaxiCode Aztec Code DotCode Micro QR Code Micro PDF417 Composite Barcodes GS1 DataBar Omnidirectional GS1 DataBar Truncated GS1 DataBar Stacked GS1 DataBar Stacked Omnidirectional GS1 DataBar Limited GS1 DataBar Expanded GS1 DataBar Expanded Stacked GS1 Composite Code Other Types Patch Code USPS Intelligent Mail Postnet Planet Australian Post UK Royal Mail (RM4SCC)
Structure	1. Leading quiet zone 2. Start character (usually an asterisk []) 3. One or more pairs of symbol characters that represent data (including an optional check digit) 4. Stop character (usually an asterisk []) 5. Trailing quiet zone 6. Intercharacter spaces (one module wide) that separate characters within the symbol
Density	Moderate-density
Character set	Alpha-numeric (Code 39 also support these characters: Percent sign (%), Plus sign (+), Dollar sign ($), Slash mark (/), Period (.), Hyphen (-))
Capacity	Unlimited (Usually Contains 20 to 23 Alphanumeric Characters)
Error detection	Code 39 is self-detection, a check digit normally isn't necessary.
Error correction	Code 39 does not support error correction
Usage	Code 39 is still widely used, especially in non-retail environments. It is the standard barcode used by the United States Department of Defense and is also used by the Health Industry Bar Code Council (HIBCC).
Industry	Goverment Manufacturing Logistics Postal Medical Automotive Defense