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 17999, Approximate postcode unit (APU), United Kingdom
ID 18000, Approximate postcode unit (APU), United Kingdom
ID 18005, Approximate postcode unit (APU), United Kingdom
ID 18019, Approximate postcode unit (APU), United Kingdom
ID 18022, Approximate postcode unit (APU), United Kingdom