Introduction ============ Podis is a software which help to retrieve the correct postal routing and INSE code from a postal code. Podis is a free software published under the term of licence `GNU Affero General Public License `_. Why Podis ? ----------- In France, we use a :dfn:`postal code` to specify an adress. A postal code can specify a citie, or a part of that citie. The problem is, there is several postal code available for a same adresse, and some adresse does not have a specific postal code, to correct that, the postal distribution uses INSE Code instead of postal code. How to Contribute ? ------------------- In order to help you contributing to the database of Podis, we made another project, called :ref:`podisweb`. This is a Web Interface which permit you to enter data.