The map goddess @AngharadStone posed an interesting poser on Twitter last night.
@AngharadStone Good question. Do you mean the full postcode or just the first part? B, BB, DD, E, G, LL, M, N, NN, S, SS, W.
— BX Postcode Area (@BXpostcodearea) December 31, 2016
It seemed like an interesting problem, […]