Home Postcode finder NSW Coggan Coggan postcode NSW Coggan is a locality in New South Wales covered by postcode 2849. Postcode 2849 State or territory New South Wales (NSW) Region NSW Country West Add a free Coggan business listing Be the first listing in Coggan Common questionsWhat is the postcode for Coggan?Coggan, NSW has the postcode 2849.What state is Coggan in?Coggan is in New South Wales (NSW).Does postcode 2849 cover more than one suburb?Yes. Postcode 2849 covers 29 localities, so the postcode alone does not identify Coggan. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.