RM4SCC
The RM4SCC (Royal Mail 4-State Customer Code) is used by the Royal Mail and encodes the UK post codes and delivery point suffixes, and is represented by the Rm4scc class.
The following example illustrates.
Rm4scc barcode = new Rm4scc("20815470412");
barcode.Draw(pngFilePath, 300, ImageFormat.Png);
Dim barcode As Rm4scc = New Rm4scc("20815470412")
barcode.Draw(pngFilePath, 300, ImageFormat.Png)