Home Postcode finder NSWDL Sefton Sefton postcode NSWDL Sefton is a locality in New South Wales covered by postcode 2162. Postcode 2162 State or territory New South Wales (NSWDL) Region Leightonfield Add a free Sefton business listing More business listings in Sefton Businesses in SeftonImmaculate Heart Primary School10 Kerrinea Rd · 02 96443555Magma Finance47 Helen St, Sefton NSW, Australia · 0405 375 519Mr Digital AntennaSefton · 0448 111 111 Common questionsWhat is the postcode for Sefton?Sefton, NSWDL has the postcode 2162.What state is Sefton in?Sefton is in New South Wales (NSWDL).Does postcode 2162 cover more than one suburb?Yes. Postcode 2162 covers 2 localities, so the postcode alone does not identify Sefton. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.