, Inc Announces Support for the USPS OneCode Solution 4-State Customer Barcode., Inc. announces the release of their PostNet and OneCode Barcode Font Package. USPS OneCode (also known as the 4-State Customer Barcode, 4CB, 4-CB, OneCode Solution Barcode and USPS4CB) is a height-modulated barcode designed for use in high speed, automated, mail sorting machines that allow both PLANET and POSTNET barcode information to be combined into a single barcode to track mailings, request address-quality services (including updated address-change information) and return-mail service. The unique encoding used in IDAutomation's Postnet Fonts allows printing of Postnet and OneCode with the same font. A current list of all products available for the support of OneCode along with free demo downloads is provided at