A postcode was part of a location's address. TV: Knock Knock [+]Loading...["Knock Knock (TV story)"], Co-Owner of a Lonely Heart [+]Loading...["Co-Owner of a Lonely Heart (TV story)"])
Bill Potts noted that postcodes could be used to find houses. (TV: Knock Knock) They required a computer to properly utilise the utility of them. (PROSE: The Domino Effect [+]Loading...["The Domino Effect (novel)"])
Individual postcodes
In the 20th and 21st century 107 Baker Street's postcode was W1U 65P. (AUDIO: Fugitives [+]Loading...["Fugitives (audio story)"])
In 1997 Alistair Gordon Lethbrdige Stewart's home address included the postcode; BN45 7ED. (PROSE: The Dying Days [+]Loading...["The Dying Days (novel)"])
In 2016 Coal Hill School's postcode was E2 7QE. (TV: Nightvisiting [+]Loading...["Nightvisiting (TV story)"])
In 2016 1 Wellington Road's postcode was N1 0HR. (TV: Template:Co-Owner of a Lonely Heart (TV story))
In 2023 Minto Road was located in the W11 postcode district. (TV: The Church on Ruby Road [+]Loading...["The Church on Ruby Road (TV story)"])