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A ZIP Code (an acronym for Zone Improvement Plan [1]) is a system of postal codes used by the United States Postal Service (USPS). The term ZIP was chosen to suggest that the mail travels more efficiently and quickly [ 2 ] ( zipping along ) when senders use the code in the postal address .
The name of US postal codes, "ZIP Codes", reflects this evolutionary growth from a zone plan to a zone improvement plan, "ZIP". Modern postal codes were first introduced in the Ukrainian Soviet Socialist Republic in December 1932, [4] but the system was abandoned in 1939. The next country to introduce postal codes was Germany in 1941, [5 ...
Established in 1963, ZIP codes are the most common and recognizable postal code used by the USPS. The ZIP stands for Zone Improvement Plan; the codes were invented to help the postal service ...
In 1944, Moon submitted his idea for the "ZIP Code" [citation needed] while working as a postal inspector in Philadelphia, but no action was taken. [2] Following his third submission of the concept, in 1963 it received the approval of a top-level postal service committee which shares credit for further development of the Zoning Improvement Plan ...
1963: 5-digit ZIP Codes introduced; 1978: The USPS introduced the Black Heritage series. 1983: ZIP + 4 code introduced; 1989: Priority Mail introduced; 1992: Microprint introduced and first commemorative stamp developed entirely by offset lithography; 1994: Legends of the West stamp error; 1997: Special Delivery discontinued; 2007: Forever ...
May only be required for bulk mail. The letters CP are frequently used before the postal code. This is not a country code, but an abbreviation for "codigo postal" or postal code. Curaçao: CW: no codes Cyprus: 1 October 1994 CY: NNNN The postal code system covers the whole island, but is not used on mail to Northern Cyprus. Northern Cyprus uses ...
From the time of the inception of the ZIP Code system until 1998, the postal zones of Queens and western Nassau County—whose secession from Queens County in 1899 did not affect postal routes—were organized based on which main post office routed the neighborhood's postal mail. The name of the main post office was the default name of the ...
The postal code always consists of five digits separated with a hyphen (in the "XX-XXX" format), i.e. 00-486 (00 = Warsaw); 20-486 (20 = Lublin), etc. The first digit signifies the postal district, the second: the code zone, the third: the code sector, the fourth and fifth signify the post office and its area of operation.