The code assigned by Royal Mail to identify postal delivery areas across the United Kingdom.

POSTCODES may also be used to identify a GEOGRAPHIC AREA.

References:

• The e-GIF version approved for use in NHS England is:
  Government Data Standards Catalogue: (GDSC), Version 2.1, Agreed 1 September 2002.
  Further information can be found on the Cabinet Office website.

This attribute is also known by these names:

Context	Alias
plural	POSTCODES