Telephone and address standards
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Intelligent Mail Barcode Resource Download Site The Intelligent Mail barcode (formerly known as the 4-State Customer Barcode) is the next generation of USPS ® barcode technology used to sort and track letters and flats. Intelligent Mail barcode technology, among other things, combines the capabilities of the POSTNET™ barcode and the PLANET Code ® barcode into one unique barcode. Intelligent Mail Barcode Specification (PDF) Learn about the data content to be encoded, encoding rules to produce bars from data fields, physical dimensions of printed barcodes, and physical limitations on printing. The specification document (USPS-B-3200) also covers how the encoding and decoding algorithms work and provides sample programming code. List of Intelligent Mail Barcode Resources (PDF) Get information about the tools and applications available to you from the Postal Service™ as well as from vendors for creating and validating the Intelligent Mail barcode.
Hit the letter z , or click the word zoom to enable or disable zooming. Hold down shift while typing a number to replace the previous number zipdecode This project began a very short sketch (a few hours) that I created because curious about how the numbering works for postal codes in the states. A detailed description of this project (and source code for an updated version) can be found in my book Visualizing Data .