POSTNET (Postal Numeric Encoding Technique) is a discontinued technical standard defining a barcode symbology used by the United States Postal Service to assist in directing mail. The ZIP Code or ZIP+4 code is encoded in half- and full-height bars.
POSTNET (Postal Numeric Encoding Technique) is a discontinued technical standard defining a barcode symbology used by the United States Postal Service to assist in directing mail. The ZIP Code or ZIP+4 code is encoded in half- and full-height bars.
Source: Wikipedia "POSTNET" · CC BY-SA 4.0
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