seaforth postcode nsw Home ›› Postcode Finder ›› NSW ›› Seaforth Seaforth local listingsThe suburb of Seaforth is located in NSW and has a postcode of 2092. Free seaforth business listing! 1Palm Avenue School21 Dalwood Ave 02 995103082Seaforth Public SchoolFrenchs Forest Rd 02 994816943Seaforth Public SchoolYatama St 02 99488111 View more business listings in seaforth Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.