Transparency
Where the data comes from
No tricks, no weird promises. We tell you exactly what we know, what we don't, and why we chose to do it this way.
The anatomy of the code
7 digits: commune + address
The system was created in 1998. A commune code ends in 0000; an exact one fills in the four block-face digits. We light up the ones we know for sure and grey out the ones we don't yet: never bait-and-switch.
Our three data layers
Commune base — public and free
The 346 communes with their base code, from the open GeoNames dataset (CC-BY). This layer covers all of Chile.
OpenStreetMap — block-level code, free
Addresses mapped by the OpenStreetMap community may include their block-level code. We use that data under the ODbL licence, with attribution, and always label the precision level.
Address validation — the exact code
Exact addresses are validated before being presented as reliable. When there is not enough confirmation, we show the commune base code and label it clearly.