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Data sources

This site is built on the openly licensed datasets below. We are grateful to their maintainers.

Data volume

Currently covering 86 countries and regions, 2067 administrative divisions and 262848 cities.

GeoNames

Used for
Administrative divisions, city names, population ranking, time zones and postal codes.

Countries States Cities Database

Used for
Sub-city districts and counties, with the postcodes that belong to them.

OpenStreetMap

Used for
Local-language names for Taiwan's districts.

OS Code-Point Open

Used for
Complete UK postcodes and coordinates (including GSS district codes), used to pair each street anchor with its real full postcode. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026.

@faker-js/faker

Used for
Person name pools and job title patterns for each country.
Licence
MIT

Unicode CLDR

Used for
Display names for countries, languages and currencies.

How we transform the data

We transform the source data as follows: cities are filtered and ranked by population, postal prefixes are aggregated per administrative division, and name pools are sampled and compacted to reduce transfer size. The randomisation applied during generation is produced by this site's own algorithm and is not part of the source data.

All sources are provided "as is", without warranty of accuracy.