ID 1, Approximate postcode area (APA), United Kingdom
ID 131, Approximate postcode district (APD), United Kingdom
ID 2996, Approximate postcode sector (APS), United Kingdom
ID 3000, Approximate postcode sector (APS), United Kingdom
ID 19257, Approximate postcode unit (APU), United Kingdom
ID 19271, Approximate postcode unit (APU), United Kingdom
ID 20021, Approximate postcode unit (APU), United Kingdom
ID 20023, Approximate postcode unit (APU), United Kingdom
ID 20029, Approximate postcode unit (APU), United Kingdom
ID 20034, Approximate postcode unit (APU), United Kingdom