A Canadian postal code is a six-character string that forms part of a postal address in Canada, like British and Dutch postcodes, Canada's postal codes are alphanumeric, Postal codes in the Netherlands, known as "postcodes", are alphanumeric, consisting of how many digits followed by two uppercase letters?
Postal codes in the Netherlands Postal codes in the Netherlands, known as "postcodes", are alphanumeric, consisting of four digits followed by two uppercase letters. The letters 'F', 'I', 'O', 'Q', 'U' and 'Y' were originally not used for technical reasons, but almost all existing combinations are now used as these letters were allowed for new locations starting 2005. The letter combinations 'SS', 'SD' and 'SA' are not used because of their associations with the Nazi occupation of the Netherlands.
List of postcode districts in the United Kingdom This is a list of postcode districts in the United Kingdom and Crown dependencies. A group of postcode districts with the same alphabetical prefix is called a postcode area. All, or part, of one or more postcode districts are grouped into post towns.