Outcodes
Outcodes are a system used in the United Kingdom to identify geographical areas for postal purposes. They are the first few digits of a UK postcode, which typically consists of letters and numbers. For example, in the postcode SW1A 0AA, SW1A is the outcode. These outcodes are assigned to specific post towns and are used by Royal Mail and other postal services to sort and deliver mail efficiently.
The purpose of an outcode is to broadly define a geographical area that a particular post town
Outcodes vary in length, typically consisting of two to four characters. The combination of letters and numbers