Home Postcode finder NSW West Pennant Hills West Pennant Hills postcode NSW West Pennant Hills is a locality in New South Wales covered by postcode 2125. Postcode 2125 State or territory New South Wales (NSW) Region Seven Hills Add a free West Pennant Hills business listing More business listings in West Pennant Hills Businesses in West Pennant HillsAndy's Pest Control12 Farrer Avenue, West Pennant Hills NSW, Australia · +61 485 900 290Big Als Bait And Tackle562 Pennant Hills Road · (02) 9484 2202Bigalsbait and Tackle8 562 Pennant Hills Road · (029) 484-2202 Common questionsWhat is the postcode for West Pennant Hills?West Pennant Hills, NSW has the postcode 2125.What state is West Pennant Hills in?West Pennant Hills is in New South Wales (NSW).Does postcode 2125 cover more than one suburb?No. Postcode 2125 covers West Pennant Hills 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.