Problem . Several towns or places can have the same postcode. you wont have much luck if place name is not known. Google-- name places with postcode zxzxzx in mnkjgh. zxzxzx your post code ,mnkjgh your country. if you luck is in and only one place name comes up. bring up Google maps , type in place name and post code . then your address a postcode . using from to mode. Google will draw you a map.