The POSTNET (Postal Numeric Encoding Technique) is a barcode symbology which encodes a 5 digit ZIP code, a ZIP+4 a 9 digit code, or a 11 digit delivery point code. The United States Postal Service uses this barcode. The following example uses a Postnet barcode in DynamicBarcode Creator.

Postnet barcode = new Postnet("20815470412");
barcode.Draw(pngFilePath, 300, ImageFormat.Png);        
Dim barcode As Postnet = New Postnet("20815470412")
barcode.Draw(pngFilePath, 300, ImageFormat.Png)

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