Codabar (numeric only) Older code often used in package delivery, libraries and bloodbanks. |
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| Code 128 (alphanumeric) Very high reliability code that is in use worldwide. |
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| Code 39 (alphanumeric) Most common non-retail bar code; utilized by the automotive industry and federal government. |
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EAN-13 (numeric only) International retail product code. |
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Interleaved 2 of 5 (numeric only) Compact numeric code widely used in industrial settings. |
| PostNet (numeric only) Used to improve the speed of sorting and delivering mail. |
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UPC-A Universal product code seen on most retail products. |

