Home Postcode finder NSW Berkeley Berkeley postcode NSW Berkeley is a locality in New South Wales covered by postcode 2506. Postcode 2506 State or territory New South Wales (NSW) Region Illawarra Add a free Berkeley business listing More business listings in Berkeley Businesses in BerkeleyBerkeley Public SchoolLot 32 George St · 02 42711171Berkeley West Public School45 Nolan St · 02 42711478Illawarra Sports High School5 Gura St · 02 42711099 Common questionsWhat is the postcode for Berkeley?Berkeley, NSW has the postcode 2506.What state is Berkeley in?Berkeley is in New South Wales (NSW).Does postcode 2506 cover more than one suburb?No. Postcode 2506 covers Berkeley only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.