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Find cities by ZIP/postal code or look up ZIP codes by city name. Supports US ZIP codes, UK postcodes, Canadian postal codes, and 125+ countries.
ZIP codes and postal codes are alphanumeric or numeric codes used by postal services to sort and deliver mail efficiently. Different countries use different formats and terminology, but they all serve the same fundamental purpose.
| Country | Name | Format | Example |
|---|---|---|---|
| United States | ZIP Code | NNNNN | 10001 |
| United Kingdom | Postcode | AAN NAA | SW1A 1AA |
| Canada | Postal Code | ANA NAN | K1A 0A6 |
| Germany | PLZ | NNNNN | 10115 |
| France | Code Postal | NNNNN | 75001 |
| Australia | Postcode | NNNN | 2000 |
| Japan | Postal Code | NNN-NNNN | 100-0001 |
A ZIP code (Zone Improvement Plan code) is a postal code used by the United States Postal Service (USPS). It was introduced in 1963 to improve mail delivery efficiency. The basic ZIP code consists of 5 digits, while ZIP+4 adds 4 more digits for precise location identification.
Select the country and enter the city name in our lookup tool above. We will show you all ZIP/postal codes associated with that city. You can also browse by state or province to narrow down results.
ZIP code is the term used in the United States. Other countries use different names: the UK uses "postcodes", Canada uses "postal codes", Germany uses "Postleitzahl (PLZ)", France uses "code postal", and Australia uses "postcodes". They all serve the same purpose of identifying mail delivery areas.
Yes! Our tool supports postal code lookups for over 30 countries including the US, UK, Canada, Australia, Germany, France, Japan, South Korea, and many more. Each country uses its own format.
Our ZIP code database contains real city-to-ZIP code mappings sourced from public postal data. The data is used for testing and reference purposes. For official postal needs, always verify with your country's postal service.