# Postcodes Dataset ReadMe

## Overview
This dataset contains postal code information for multiple countries. Postcodes, also known as ZIP codes, are an essential part of addressing and locating specific geographic areas. This dataset aims to provide a comprehensive collection of postcodes to facilitate various applications, including geolocation, logistics, and address validation.

## Data Sources
The dataset is compiled from multiple open data sources, each specific to individual countries. These sources are referenced below:

* France: http://www.geoclip.fr/data/codes_postaux_V5.zip (Géoclip)
* Germany: Derived from OpenStreetMap (https://www.openstreetmap.org/). There is no particular URL to download; it's database extraction.
* Norway: https://kartkatalog.geonorge.no/metadata/postnummeromraader/462a5297-33ef-438a-82a5-07fff5799be3 (Geonorge: Norway's national hub for map data and location-based information)
* United States: https://www2.census.gov/geo/tiger/TIGER2022/ZCTA520/tl_2022_us_zcta520.zip (U.S. Census Bureau)
* [Coming soon] More countries

Please note that the data sources for each country are diverse and may vary in terms of accuracy, update frequency, and coverage.

## Data Licensing
The data provided in this dataset is collected from various open data sources and may be subject to different licenses and terms of use for each country. For data pertaining to specific countries, please refer to the following:

* France: Open Data Commons Open Database License (ODbL) License (http://opendatacommons.org/licenses/odbl/summary/)
* Germany: Open Data Commons Open Database License (ODbL) License (https://opendatacommons.org/licenses/odbl/summary/)
* Norway: Creative Commons BY 4.0 (CC BY 4.0) (https://creativecommons.org/licenses/by/4.0/deed)
* United States: https://www.ons.gov.uk/census/2001censusandearlier/dataandproducts/copyrightandlicensing (Refer to U.S. Census Bureau's licensing and terms)
* [Coming soon] More countries

This dataset is provided for informational purposes and should be used responsibly and in accordance with the respective data sources' terms and conditions.
Please ensure that you comply with the licensing terms and conditions for each specific country when using the data.

## Data Structure
**postcode**: A postal code or ZIP code.
**country_code**: The country code for the location.
**lon**: The longitude coordinate.
**lat**: The latitude coordinate.
**area**: The area associated with the location.
**tags**: Original data source fields
**geometry**: A GeoJSON Geometry object containing the geometric shape of the location. It includes the type ("Point", "Polygon", or "MultiPolygon") and coordinates that define the geometry.

## Data Precautions
Please be aware that the accuracy and coverage of postal code data may vary between countries and regions. Some areas may have more detailed postcode information than others. Users are encouraged to validate the data against local postal authorities or government sources for critical applications.

## Contact Information
For questions, feedback, or collaboration opportunities related to this dataset, please get in touch with us at info@geoapify.com.