ID 401, Approximate postcode district (APD), United Kingdom
ID 4021, Approximate postcode sector (APS), United Kingdom
ID 4101, Approximate postcode sector (APS), United Kingdom
ID 191500, Approximate postcode unit (APU), United Kingdom
ID 204020, Approximate postcode unit (APU), United Kingdom
ID 204099, Approximate postcode unit (APU), United Kingdom
ID 204101, Approximate postcode unit (APU), United Kingdom
ID 204112, Approximate postcode unit (APU), United Kingdom
ID 204114, Approximate postcode unit (APU), United Kingdom
ID 204321, Approximate postcode unit (APU), United Kingdom
ID 204322, Approximate postcode unit (APU), United Kingdom