Home Postcodes by state QLD 4756 Postcode 4756 4756 is the postcode for 2 localities in QLD: Finch Hatton and Netherdale. Localities with postcode 4756Finch HattonQLDNetherdaleQLD Postcode 4756 State or territory Queensland (QLD) Localities 2 Council area Mackay Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4754 · Postcode 4757