To search and find an item it needs to be mapped. I tired a few postcodes, my own, that i mapped and some business ones from a magazine, they work if mapped. I guess the one you found means something in Australia but is not mapped yet in the UK. Solution The solution is for us to map any that you know. we know, especially if it is a new build . I seem to remember that the GB postcodes were something that the Post Office Royal Mail owned and couldn't be copied in total. Some one will let know the current rules on that. A bit more More info. https://wikileaks.org/wiki/UK_government_database_of_all_1,841,177_post_codes_together_with_precise_geographic_coordinates_and_other_information,_8_Jul_2009