sefton postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Sefton Sefton local listingsThe suburb of Sefton is located in NSW and has a postcode of 2162. Free sefton business listing! 1Magma Finance47 Helen St, Sefton NSW, Australia 0405 375 5192Rainbow Windows107 Carlingford St, Sefton NSW 2162, Australia 02964490363Southern Cross Metals Pty Ltd13-17 Yamma St 0296451444 View more business listings in sefton Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.