mulgoa postcode nswst Home ›› Postcode Finder ›› NSWST ›› Mulgoa Mulgoa local listingsThe suburb of Mulgoa is located in NSW and has a postcode of 2745. Free mulgoa business listing! 1Nepean Christian School836 Mulgoa Rd 02 477390552Mulgoa Public School1189 Mulgoa Rd 02 477382293AV Drilling45 Littlefields Road 0417454434 View more business listings in mulgoa Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.