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

Main 1:350,000 map:
West: 5.078W
East: 3.766W
North: 50.765N
South: 50.191N
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