Postal Codes

United States

USPS postal codes (ZIP codes) are 5 digits long (zero-padded).

ZIP+4 is an extension of the standard postal code system, involving an additional (trailing with hyphen delimiter) postal code that is 4 digits long (zero-padded).

For more details, see here.


United Kingdom

For more details, see here.


Canada

For more details, see here.


Germany

German postal codes are 5 digits long (zero-padded). The leading digit indicates a region, though these regions do not follow other political boundaries.

For more details, see here.


Japan

For more details, see here.


South Korea

For more details, see here.


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