ID 1, Approximate postcode area (APA), United Kingdom
ID 134, Approximate postcode district (APD), United Kingdom
ID 3007, Approximate postcode sector (APS), United Kingdom
ID 21100, Approximate postcode unit (APU), United Kingdom
ID 21105, Approximate postcode unit (APU), United Kingdom
ID 21141, Approximate postcode unit (APU), United Kingdom
ID 21143, Approximate postcode unit (APU), United Kingdom
ID 21144, Approximate postcode unit (APU), United Kingdom