Labelled map of Royal Mail postcode districts of the LONDON post town.
This comprises the E, EC, N, NW, SE, SW, W and WC postcode areas.
(Post town names are conventionally shown in upper case by Royal Mail.)
Indicative postcode districts shown in red, post towns shown in grey.
Equirectangular projection with latitude stretching 160%, WGS84 datum.
Geographic limits:

Main 1:139,000 map:
West: 0.367W
East: 0.161E
North: 51.694N
South: 51.364N
Derived from Ordnance Survey OS OpenData.

Postcode district boundaries within Great Britain derived from Voronoi polygons of OS Code-Point Open unit postcode median coordinates (with coastline clipping and minor adjustments to avoid spurious detached polygons).
Great Britain coastline, inland water and urban extent data derived from OS Strategi.
Richardguk