Postal code also know as ZIP code, Pincode. Postal code is general terms which is widely used in United Kingdomc Provinces, Cities and address. Postal code is basically combination of letter and digit or both. Postal code is useful for sorting the mail. Postal code of United Kingdom is generally six digit code and alphanumaric format.
United Kingdom postal code is six degit code. First 3 digit shows forward sortation area (FSA), it is a geographical region in which all postal codes start with the same three characters. First three digit help to easliy indicate postal district. and the last 3 difit shows local delivery unit.