Universal Postal Union
noun
an international organization, formed in Bern, Switzerland (1875), that administers and regulates international postal service. Abbreviation: UPU
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What Does “ZIP Code” Stand For?It’s a hectic time of year for the U.S. Postal Service. Those packages you ordered on Cyber Monday are steadily arriving. You’re probably even receiving a few holiday greetings the old-fashioned way — snail mail. The half million employees who work for the USPS rely heavily on the five- or nine-digit ZIP codes for efficient and reliable mail delivery. So, it makes sense that the …
Formerly General Postal Union.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019