In the US 2 digit postal codes started in 1943 because many of the regulay postal clerks were away fighting WWII and the government the codes would help the inexperienced new clerks in sorting the mail. 5 digit "Zip" codes went into effect on July 1, 1963. ZIP stood for Zoning Improvement Plan.
in 1200 BC
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1960
There are many zip codes for Wyoming so the answer depends on the address you are using. All zip codes in Wyoming start with '82' or '83' and the last three numbers are based on the city/post office listed in the address. Please check the suggested link.
Oregon has several zip codes. They all start with the numbers '97'.
Memphis has a bunch of different zip codes, so it depends on which part of the city. Inside the city, the zip codes all start with 381.
Before 1963 we had zones in major cities but in 1963 we took it to Zone Improvement Plan, ZIP, codes.
A letter identifying the province or territory.
1963
Zip codes help someone to locate the correct location. This means that Delaware alone has many. Luckily, all the zip codes in one state tend to start with the first few letters. In Delaware, the codes go from 19701-19980.
5-digit ZIP Codes started in 1963. ZIP+4 started in the early 1980's, to streamline and automate mail sorting.
Zip Codes are only used in the United States. There are no international zip codes.
Numbers are used in zip codes.
27 zip codes
OK. States don't have Zip Codes. Cities have Zip Codes. You can get the complete list of ZIP codes in California under different Cities from here: http://www.zip4all.com/california/ca/ .