Labelled map of Royal Mail postcode districts of the UB postcode area.
Indicative postcode districts shown in red, post towns shown in grey.
Equirectangular projection with latitude stretching 160%, WGS84 datum.
Geographic limits:

Main 1:67,000 map:
West: 0.546W
East: 0.29W
North: 51.63N
South: 51.47N
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