# stdnum.nl.postcode

Postcode (Dutch postal code).

The Dutch postal code consists of four numbers followed by two letters.

    >>> validate('2601 DC')
    '2601 DC'
    >>> validate('NL-2611ET')
    '2611 ET'
    >>> validate('26112 ET')
    Traceback (most recent call last):
        ...
    InvalidFormat: ...
    >>> validate('2611 SS')  # a few letter combinations are banned
    Traceback (most recent call last):
        ...
    InvalidComponent: ...

`stdnum.nl.postcode.``compact`(number)

  Convert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.

`stdnum.nl.postcode.``is_valid`(number)

  Check if the number is a valid postal code.

`stdnum.nl.postcode.``validate`(number)

  Check if the number is in the correct format. This currently does not check whether the code corresponds to a real address.