mundamia postcode nswst Home ›› Postcode Finder ›› NSWST ›› Mundamia Mundamia local listingsThe suburb of Mundamia is located in NSW and has a postcode of 2540. Free mundamia business listing! Get the first free listing in mundamia! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.