Home Postcode finder NSWDL Argalong Argalong postcode NSWDL Argalong is a locality in New South Wales covered by postcode 2720. Postcode 2720 State or territory New South Wales (NSWDL) Region Canberra Add a free Argalong business listing Be the first listing in Argalong Common questionsWhat is the postcode for Argalong?Argalong, NSWDL has the postcode 2720.What state is Argalong in?Argalong is in New South Wales (NSWDL).Does postcode 2720 cover more than one suburb?Yes. Postcode 2720 covers 28 localities, so the postcode alone does not identify Argalong. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.