EH4 is a postal district for Edinburgh, and is considered to belong to the most exclusive addresses, which includes Blackhall, one of Scotlands most expensive suburbs and it also includes Cramond, another suburb which is almost always assosciated as Second-Best to Blackhall. House prices in Blackhall can reach as much as £1,000,000 for five bedrooms and in Cramond house prices reach £950,000 for five bedrooms. It also includes Davidson's Mains as its district, and D'Mains is often said to be the midline for the social diversities, as it hosts mainly the middle and upper-middle classes. This is a list of the post towns of the United Kingdom – it appears in postcode sequence. ... Blackhall can refer to two adjoining villages in County Durham, in England: Blackhall Colliery Blackhall Rocks Blackhall, Edinburgh, in Scotland This is a disambiguation page: a list of articles associated with the same title. ... Cramond is a village built on the east side of the River Almond where it enters the Firth of Forth forming a natural harbour, now a suburb of Edinburgh. ... Davidsons Mains is an affluent suburb of Edinburgh, Scotland. ... The middle class (or middle classes) comprises a social group once defined by exception as an intermediate social class between the nobility and the peasantry. ...

In a recent survey, EH4 is the most millionaire populated Postal District in the United Kingdom, but that is aided to the fact that EH4 has Blackhall under its belt. A millionaire is a person who has a net worth or wealth of more than one million United States dollars, euros, British pounds or units of a comparably valued currency. ...

EH4 is also home to other social sub-diversities such as Clermiston and Drylaw, which have always been associated with the working classes. The term working class is used to denote a social class. ...