Data Sources
Last updated November 10, 2026
This page lists the third-party data sets that HotClays LLC includes in the Services, with the attribution their licenses require. The service providers that process information on our behalf are listed separately on the Service Providers page.
| Data | Source | License | Used for |
|---|---|---|---|
| Places (towns and cities, states and provinces, and countries) | GeoNames | Creative Commons Attribution 4.0 | The location picker: the places a person can choose as their profile location, and the names shown for them. Trimmed and reformatted by HotClays. |
| Postal codes (selected countries) | GeoNames | Creative Commons Attribution 4.0 | Finding the towns near a postal code typed into the location picker. Trimmed and reformatted by HotClays. |
| Word lists used to screen generated codes | LDNOOBW (Shutterstock, Inc. and contributors), via the naughty-words package | Creative Commons Attribution 4.0 | Screening HotClays Numbers and scorecard codes. Cut down by HotClays. |
| Word lists used to screen generated codes | obscenity (Joseph Liu), profanity-list (David Sojevic), cuss (Titus Wormer) | MIT | The same screening, for words the list above does not carry. Cut down the same way. |
Place data © GeoNames (geonames.org), licensed under CC BY 4.0. HotClays removed records it does not use, merged duplicate records, and reformatted names; GeoNames does not endorse HotClays or these changes.
The word lists are reproduced in part under their licenses. Their authors do not endorse HotClays.