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 21123, Approximate postcode unit (APU), United Kingdom
ID 21133, Approximate postcode unit (APU), United Kingdom
ID 21134, Approximate postcode unit (APU), United Kingdom
ID 21136, Approximate postcode unit (APU), United Kingdom
ID 21195, Approximate postcode unit (APU), United Kingdom
ID 21221, Approximate postcode unit (APU), United Kingdom