The Postal Museum: London Postal District map
The Postal Museum: Norwich addresses need postal codes
The Postal Museum: Norwich addresses need postal codes
The Postal Museum: Always include your postal code in your address
The Postal Museum: Tilted belt parcel sorting machine
The Postal Museum: Slapdash Harry and the missing postcode
The Postal Museum: Poco the elephant says…
The Postal Museum: Let's meet under the GU1 3AA. Please use your postcode