Home Postcode finder NSWDL St Albans St Albans postcode NSWDL St Albans is a locality in New South Wales covered by postcode 2775. Postcode 2775 State or territory New South Wales (NSWDL) Region Seven Hills Add a free St Albans business listing Be the first listing in St Albans Common questionsWhat is the postcode for St Albans?St Albans, NSWDL has the postcode 2775.What state is St Albans in?St Albans is in New South Wales (NSWDL).Does postcode 2775 cover more than one suburb?Yes. Postcode 2775 covers 17 localities, so the postcode alone does not identify St Albans. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.