Postcode Search

. hi all, ?Just getting to grips with WordPress and Loving it. I’m woking on my site at the moment https://www.thetheatreacademy.co.uk and would like to add a search like this one to my site https://www.stagecoach.co.uk/search-postcode.php. Does anyone know if this is possible and how it could be achieved. ?Many thanks in advance.