Postalcode for England

Answer 1

The format of the UK post code is normally XXn nXX where X are capital letters and n are numberic digits eg BL5 3XX is the post code for north-west Bolton. The first two letters indicate the town after which the postal area is named eg BL is Bolton. The first number indicates an area within the town eg BL5 is north-west Bolton. The three characters after the space define a group of about 6 houses.