Home Postcode finder NSW Wapengo Wapengo postcode NSW Wapengo is a locality in New South Wales covered by postcode 2550. Postcode 2550 State or territory New South Wales (NSW) Region NSW Country West Add a free Wapengo business listing Be the first listing in Wapengo Common questionsWhat is the postcode for Wapengo?Wapengo, NSW has the postcode 2550.What state is Wapengo in?Wapengo is in New South Wales (NSW).Does postcode 2550 cover more than one suburb?Yes. Postcode 2550 covers 52 localities, so the postcode alone does not identify Wapengo. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.