What is the London postcode?

This postcode was first introduced in the United Kingdom by the Royal Mail in 1959 to improve the efficiency of the postal system.

- The SW in the postcode stands for South West, indicating that it is located in the south-western part of London.

- The 1 denotes the postal district within the SW zone.

- The A is a sector within the postal district.

- And the final 1AA represents the specific delivery point or building within the A sector.