lower-mount-walker postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Lower-Mount-Walker Lower Mount Walker local listingsThe suburb of Lower Mount Walker is located in QLD and has a postcode of 4340. Free lower mount walker business listing! Get the first free listing in lower mount walker! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.