ID 1, Approximate postcode area (APA), United Kingdom
ID 131, Approximate postcode district (APD), United Kingdom
ID 3000, Approximate postcode sector (APS), United Kingdom
ID 19994, Approximate postcode unit (APU), United Kingdom
ID 19995, Approximate postcode unit (APU), United Kingdom
ID 20030, Approximate postcode unit (APU), United Kingdom
ID 20036, Approximate postcode unit (APU), United Kingdom