Home Postcodes by state QLD 4700 Postcode 4700 4700 is the postcode for 12 localities in QLD: Allenstown, Depot Hill, Fairy Bower, Great Keppel Island, Port Curtis, Rockhampton and 6 more. Localities with postcode 4700AllenstownQLDDepot HillQLDFairy BowerQLDGreat Keppel IslandQLDPort CurtisQLDRockhamptonQLDRockhampton CityQLDRockhampton HospitalQLDThe KeppelsQLDThe RangeQLDWandalQLDWest RockhamptonQLD Postcode 4700 State or territory Queensland (QLD) Localities 12 Council area Rockhampton; Livingstone Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4699 · Postcode 4701