spencer postcode nswst Home ›› Postcode Finder ›› NSWST ›› Spencer Spencer local listingsThe suburb of Spencer is located in NSW and has a postcode of 2775. Free spencer business listing! 1Spencer Public SchoolFerry Rd 02 43771142 View more business listings in spencer Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.