List of London railway stations
This is a list of the railway passenger stations in the first six fare zones across London, England (the majority of which are within the boundary of Greater London), in the national network where London area ticketing applies. United Kingdom railway stations are grouped into one of a number of categories, ranging from A—national hub to F—small unstaffed bare platform.
Source: Wikipedia — List of London railway stations (CC BY-SA 4.0)