The 6-digit postal map of The Netherlands contains the location of all Dutch 445,000 complete postcodes. On average, a postal code contains 15 to 20 addresses or ‘delivery points’. With the 6-digit postal code map of the Netherlands you can perform various geographic analysis on your address based data. The postal code map consists of postal code areas. Within a postal code area all addresses and buildings have the same postal code. The area boundary follows the natural boundaries such as buildings, streets, roads, railways and water.