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 18003, Approximate postcode unit (APU), United Kingdom
ID 18019, Approximate postcode unit (APU), United Kingdom
ID 18131, Approximate postcode unit (APU), United Kingdom
ID 18134, Approximate postcode unit (APU), United Kingdom