Home Postcodes by state QLD 4305 Postcode 4305 4305 is the postcode for 23 localities in QLD: Basin Pocket, Brassall, Bremer, Churchill, Coalfalls, East Ipswich and 17 more. Localities with postcode 4305Basin PocketQLDBrassallQLDBremerQLDChurchillQLDCoalfallsQLDEast IpswichQLDEastern HeightsQLDFlinders ViewQLDIpswichQLDLeichhardtQLDLimestone RidgesQLDMoores PocketQLDNewtownQLDNorth IpswichQLDNorth TivoliQLDOne MileQLDRaceviewQLDSadliers CrossingQLDTivoliQLDWest IpswichQLDWoodendQLDWulkurakaQLDYamantoQLD Postcode 4305 State or territory Queensland (QLD) Localities 23 Council area Ipswich; Scenic Rim Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4304 · Postcode 4306