Home Postcodes by state NSW 4380 Postcode 4380 4380 is the postcode for 20 localities in NSW and QLD: Mingoola, Amiens, Broadwater, Cannon Creek, Dalcouth, Eukey and 14 more. Localities with postcode 4380MingoolaNSW 4380AmiensQLD 4380BroadwaterQLD 4380Cannon CreekQLD 4380DalcouthQLD 4380EukeyQLD 4380GlenlyonQLD 4380GreenlandsQLD 4380KyoombaQLD 4380MingoolaQLD 4380Mount TullyQLD 4380NundubbermereQLD 4380PikedaleQLD 4380Pikes CreekQLD 4380SevernleaQLD 4380SpringdaleQLD 4380StanthorpeQLD 4380Storm KingQLD 4380SugarloafQLD 4380ThorndaleQLD 4380 Postcode 4380 State or territory New South Wales (NSW) and Queensland (QLD) Localities 20 Council area Tenterfield; Southern Downs Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4378 · Postcode 4381