Global Postal Code Finder

Global Postal Code Systems

Postal codes (also known as zip codes) are coding systems developed by countries or regions to facilitate automated mail sorting and digital postal networks. Different countries have different formats and rules for postal codes.

Major Country Postal Code Formats

• China: 6-digit numbers, first two digits represent province/autonomous region/municipality
• United States: ZIP code, 5-digit numbers, can be extended to ZIP+4 9-digit format
• United Kingdom: Alphanumeric combination, e.g. SW1A 1AA
• Canada: 6-character alphanumeric combination in format A1A 1A1
• Australia: 4-digit numbers
• Germany: 5-digit numbers

Usage Tips

Correctly filling in postal codes can speed up mail delivery and improve accuracy. For international mail, make sure to use the correct country code and format.

Note: Information provided by this tool is for reference only. Please refer to official postal information for actual use.