Royal Mail 4-State Customer Barcode

Royal Mail 4-State Customer Barcode (CBC) was developed by Royal Mail in the United Kingdom and is used for automated mail sorting.

CBC is defined in the Royal Mail Mailsort User Guide: Mailsort 700 document.

ClosedSymbol Structure

ClosedCharacter Set

ClosedCheck Digit

ClosedSymbol Dimensions

ClosedPositioning