What is a UK Postcode?
Postcodes are similar to ZIP codes in the US. Each postcode generally represents a street, part of a street, or a single premises. The format of UK postcodes is generally: A9 9AA A99 9AA A9A 9AA AA9 9AA AA99 9AA AA9A 9AA where A signifies a letter and 9 a digit. For more information, please see http://en.wikipedia.org/wiki/UK_postcodes.