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Mr. ZIP
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<p>Mr. ZIP, informally "Zippy", is a cartoon character used in the 1960s by the <a href="/facts/United_States_Post_Office_Department/AvEqzmK8">United States Post Office Department</a>, and later by its successor, the <a href="/facts/United_States_Postal_Service/1Je8qAHF">United States Postal Service</a>, to encourage the general public to include the <a href="/facts/ZIP_Code/PHtdY0d4">ZIP Code</a> in all mailings. </p>