Map of the British postcode areas
<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Maximilian Dörrbecker</a> (<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Chumwa</a>)
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>, using <a href="//commons.wikimedia.org/wiki/File:2_digit_postcode_uk.png" title="File:2 digit postcode uk.png">this Postcode map</a> by GfK GeoMarketing and <a href="//commons.wikimedia.org/w/index.php?title=User:Gerritschreiber&amp;action=edit&amp;redlink=1" class="new" title="User:Gerritschreiber (page does not exist)">Gerritschreiber</a>