Home Postcode finder QLD North Ipswich North Ipswich postcode QLD North Ipswich is a locality in Queensland covered by postcode 4305. Postcode 4305 State or territory Queensland (QLD) Region Western Suburbs Add a free North Ipswich business listing More business listings in North Ipswich Businesses in North IpswichChoice Roof Restoration QldShop 1 - 65 Pine Mountain Road · 07 3294 6703Foundations Care55 Lowry St, North Ipswich QLD 4305, Australia · 0738104888Ipswich North State SchoolDowns St · 07 38135888 Common questionsWhat is the postcode for North Ipswich?North Ipswich, QLD has the postcode 4305.What state is North Ipswich in?North Ipswich is in Queensland (QLD).Does postcode 4305 cover more than one suburb?Yes. Postcode 4305 covers 23 localities, so the postcode alone does not identify North Ipswich. Browse other postcodes in Queensland, or widen the search to every Australian postcode.