ID 1, Approximate postcode area (APA), United Kingdom
ID 133, Approximate postcode district (APD), United Kingdom
ID 3005, Approximate postcode sector (APS), United Kingdom
ID 20540, Approximate postcode unit (APU), United Kingdom
ID 20551, Approximate postcode unit (APU), United Kingdom
ID 20601, Approximate postcode unit (APU), United Kingdom
ID 20603, Approximate postcode unit (APU), United Kingdom
ID 20612, Approximate postcode unit (APU), United Kingdom
ID 20664, Approximate postcode unit (APU), United Kingdom
ID 20681, Approximate postcode unit (APU), United Kingdom
ID 20745, Approximate postcode unit (APU), United Kingdom
ID 20748, Approximate postcode unit (APU), United Kingdom
ID 20799, Approximate postcode unit (APU), United Kingdom
ID 20843, Approximate postcode unit (APU), United Kingdom
ID 20845, Approximate postcode unit (APU), United Kingdom