ID 1, Approximate postcode area (APA), United Kingdom
ID 131, Approximate postcode district (APD), United Kingdom
ID 2998, Approximate postcode sector (APS), United Kingdom
ID 3000, Approximate postcode sector (APS), United Kingdom
ID 19512, Approximate postcode unit (APU), United Kingdom
ID 19882, Approximate postcode unit (APU), United Kingdom
ID 20000, Approximate postcode unit (APU), United Kingdom
ID 20031, Approximate postcode unit (APU), United Kingdom
ID 20050, Approximate postcode unit (APU), United Kingdom