What is the phone number for heritage bank? The customer support phone number of Heritage Bank is +61-7-4694-9139 / +61-7-4690-9000 / 0419 714 204 (Click phone number to call).What is the routing number for heritage bank? Check HERITAGE BANK routing numbers for bank transfers. 325170835 is a routing number of HERITAGE BANK. Check detailed information about 325170835.What is a heritage bank? Heritage Bank was founded in 1927 with the belief that when banks and neighbors work together, great communities grow stronger.