Home Postcode finder NSW Petersham Petersham postcode NSW Petersham is a locality in New South Wales covered by postcode 2049. Postcode 2049 State or territory New South Wales (NSW) Region Alexandria Add a free Petersham business listing More business listings in Petersham Businesses in PetershamCandidpro Petersham · 0404 226 343 Candidpro Petersham · 0404 226 343 Cass Brothers600 Parramatta Road · 02 9569 5555 Common questionsWhat is the postcode for Petersham?Petersham, NSW has the postcode 2049.What state is Petersham in?Petersham is in New South Wales (NSW).Does postcode 2049 cover more than one suburb?Yes. Postcode 2049 covers 3 localities, so the postcode alone does not identify Petersham. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.