ID 1, Approximate postcode area (APA), United Kingdom
ID 128, Approximate postcode district (APD), United Kingdom
ID 2988, Approximate postcode sector (APS), United Kingdom
ID 18000, Approximate postcode unit (APU), United Kingdom
ID 18021, Approximate postcode unit (APU), United Kingdom
ID 18022, Approximate postcode unit (APU), United Kingdom
ID 18026, Approximate postcode unit (APU), United Kingdom
ID 18027, Approximate postcode unit (APU), United Kingdom
ID 18127, Approximate postcode unit (APU), United Kingdom
ID 18134, Approximate postcode unit (APU), United Kingdom
ID 18135, Approximate postcode unit (APU), United Kingdom