woolomin postcode nswst Home ›› Postcode Finder ›› NSWST ›› Woolomin Woolomin local listingsThe suburb of Woolomin is located in NSW and has a postcode of 2340. Free woolomin business listing! 1Woolomin Public SchoolTamworth Rd 02 67642274 View more business listings in woolomin Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.