Postcode Loterij | 12,520 followers on LinkedIn. The Nationale Postcode Loterij is the largest charity lottery in the Netherlands. Every month, lottery players stand a chance to win great prizes and support charitable organisations working in the fields of human rights, nature and the environment. The Nationale Postcode Loterij mission is to contribute to a greener and fairer world and to raise awareness for the work carried out by these organisations.