Home Postcode finder NSW Mount Colah Mount Colah postcode NSW Mount Colah is a locality in New South Wales covered by postcode 2079. Postcode 2079 State or territory New South Wales (NSW) Region Pymble Add a free Mount Colah business listing More business listings in Mount Colah Businesses in Mount ColahAndrew Vanny Plumbing87 Parklands Rd, Mount Colah NSW, Australia · 0412 268 104Ashadya shade sails sydney28 Caribbean Place, Mount Colah NSW 2079, Australia · 1300570901Dream Plumbing & Gas96 Beryl Ave, Mount Colah NSW 2079, Australia · 1300511936 Common questionsWhat is the postcode for Mount Colah?Mount Colah, NSW has the postcode 2079.What state is Mount Colah in?Mount Colah is in New South Wales (NSW).Does postcode 2079 cover more than one suburb?No. Postcode 2079 covers Mount Colah 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.