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,
EastEnders in popular culture EastEnders in popular culture Since its premiere in 1985, the BBC soap opera "EastEnders" has had a large impact on popular culture. A charity special crossover between the science fiction television series "Doctor Who" and "EastEnders", "Dimensions in Time", was filmed in 1993 for Children in Need and ran in two parts on 26 November and 27 November 1993. It has been proven as non-canon by various references of "Doctor Who" as fiction in "EastEnders", and vice versa. "EastEnders" has participated in numerous other Children in Need and other fundraisers. Characters have also been spoofed in the successful BBC comedy