E postcode area continue to be commonly classed as one 'district'. The E postcode area contains two non-geographic postcode districts for high-volume business users, E77 and E98. The Eastern District Office is on Whitechapel Road and was the eastern terminus for the former London Post Office Railway, which has been mothballed since 2003. The railway ran to the Paddington Head District Sorting Office. The E20 postcode has been used fictionally as the postcode on the television soap-opera series "EastEnders" since 1985. However, it became a real postcode in 2011, when it was created from within the E15 postcode for the new Olympic Park,
BBC television drama oversaw the rise of more populist continuing drama series, however, encouraged by the ratings-chasing strategy of the then Controller of BBC1, his friend Michael Grade. It was during Powell's tenure that the BBC launched the twice-weekly soap opera "EastEnders" (1985–present) and the medical drama "Casualty" (1986–present), both of which remain linchpins of the BBC One schedule today and the highest-rated drama productions on BBC television. Indeed, "EastEnders" achieved phenomenal success in its early years, its Christmas Day 1986 episode earning a massive 30.15 million viewers, the highest British television audience of the 1980s.Aside from these continuing dramas, based in one