Home Postcode finder NSWDL Avondale Avondale postcode NSWDL Avondale is a locality in New South Wales covered by postcode 2530. Postcode 2530 State or territory New South Wales (NSWDL) Region Illawarra Add a free Avondale business listing Be the first listing in Avondale Common questionsWhat is the postcode for Avondale?Avondale, NSWDL has the postcode 2530.What state is Avondale in?Avondale is in New South Wales (NSWDL).Does postcode 2530 cover more than one suburb?Yes. Postcode 2530 covers 14 localities, so the postcode alone does not identify Avondale. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.