ID 1, Approximate postcode area (APA), United Kingdom
ID 131, Approximate postcode district (APD), United Kingdom
ID 3000, Approximate postcode sector (APS), United Kingdom
ID 19883, Approximate postcode unit (APU), United Kingdom
ID 19990, Approximate postcode unit (APU), United Kingdom
ID 19991, Approximate postcode unit (APU), United Kingdom
ID 19992, Approximate postcode unit (APU), United Kingdom
ID 19994, Approximate postcode unit (APU), United Kingdom
ID 19999, Approximate postcode unit (APU), United Kingdom
ID 20036, Approximate postcode unit (APU), United Kingdom