That depends on the location. Each city or town has its own Zip Code.
The US doesn't have a single postal code. Within the US there are thousands of postal codes for towns, cities, rural areas and sometimes even for specific buildings.
66433 is not a valid US Zip code.
There is no such thing as a "country zip code." A Zip Code is a postal code used in either the United States or the Philippines, corresponding to a town or a part of a city. Countries do not have ZIP Codes. A ZIP Code is a postal code for an address in the United States only. Many other countries have their own systems of postal codes. US ZIP Code 96266 is for US military mail to Osan Air Base in South Korea.
US ZIP code 77201 is for Houston, TX.
You can not. The American Zip code system ONLY works over US territory. Canada has its own postal code system as do other countries.
That is not a valid US zip code.
Zip code is the US term for Post Code
Zip code 50307 is listed to Des Moines, Iowa.
Every town has a different zip code.
US style ZIP codes aren't used in the UK. The UK uses post codes which are very detailed and can identify individual buildings if they have large amounts of mail. Residential addresses are usually identified in groups of about 10 by the same post code. A UK post code would look something like SW16 3RS.
00777 is the zip code for Juncos, Puerto Rico