Planet (Postal Alpha Numeric Encoding Technique) encodes inbound and outbound letter mail.
Simple barcode symbology contain 0-9 digit, and length of digits must be 12 -14.
Planet barcode symbology includes class, shape, ID subscriber, and check digit (Mod 10).It encode information through half and full height bars and every digits specifies pair of five bars along with two small and three complete bars.
Applications of PLANET barcode symbology
U. S Post Office use PLANET to track incoming and outgoing mails.