Analysis of information sources in references of the Wikipedia article "POSTNET" in English language version.
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: CS1 maint: archived copy as title (link)The Intelligent Mail barcode, formerly referred to as the 4-State Customer barcode, is a new Postal Service barcode used to sort and track letters and flats. The Postal Service is promoting use of the Intelligent Mail barcode because it expands the ability to track individual mailpieces and provides customers with greater visibility into the mailstream.
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