Home Postcode finder NSWDL Avalon Avalon postcode NSWDL Avalon is a locality in New South Wales covered by postcode 2107. Postcode 2107 State or territory New South Wales (NSWDL) Region Frenchs Forest Add a free Avalon business listing More business listings in Avalon Businesses in AvalonKU Avalon Preschool118a Avalon Pde · 02 9918 6583 Maria Regina Primary School42 Central Rd · 02 99182608The Muscle Technician15 51 Old Barrenjoey Road · 0416 175 604 Common questionsWhat is the postcode for Avalon?Avalon, NSWDL has the postcode 2107.What state is Avalon in?Avalon is in New South Wales (NSWDL).Does postcode 2107 cover more than one suburb?Yes. Postcode 2107 covers 5 localities, so the postcode alone does not identify Avalon. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.