wallendbeen postcode nswst Home ›› Postcode Finder ›› NSWST ›› Wallendbeen Wallendbeen local listingsThe suburb of Wallendbeen is located in NSW and has a postcode of 2588. Free wallendbeen business listing! 1Wallendbeen Public SchoolKing St 02 69432568 View more business listings in wallendbeen Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.