martynvale postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Martynvale Martynvale local listingsThe suburb of Martynvale is located in QLD and has a postcode of 4870. Free martynvale business listing! Get the first free listing in martynvale! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.