What is a Postcode?
A postcode (also known as a postal code) is a series of letters, numbers, or both, assigned to a geographic area to simplify mail sorting and delivery. While the United States uses ZIP Codes, most other countries around the world rely on postcodes for postal identification.
Why Postcodes Are Important
- Mail Delivery: Ensures accurate and efficient postal services worldwide.
- Location Identification: Defines geographic areas, from neighborhoods to entire towns.
- Business Use: Helps companies handle shipping, logistics, and customer targeting.
- Global Standard: Nearly every country uses postcodes for addresses and data analysis.
Postcodes by Country
Every country has its own postcode system, often with unique formats. For example:
- United Kingdom: Postcodes like SW1A 1AA identify precise addresses.
- Canada: Alphanumeric postal codes such as K1A 0B1.
- Australia: Numeric postcodes, e.g., 2000 for Sydney.
- India: Known as PIN codes (Postal Index Number), such as 110001.
Tools & Resources
Postcode Lookup
Enter a postcode to see details about its city, region, and country.
Country Directories
Browse postcodes by country and explore how postal systems work globally.
Postal Code Maps
View maps that highlight postcode regions and their coverage areas.