Home Postcode finder QLD Allingham Allingham postcode QLD Allingham is a locality in Queensland covered by postcode 4850. Postcode 4850 State or territory Queensland (QLD) Region North QLD Add a free Allingham business listing More business listings in Allingham Businesses in AllinghamForrest Beach State School40 Pandanus St · 07 47981333 Common questionsWhat is the postcode for Allingham?Allingham, QLD has the postcode 4850.What state is Allingham in?Allingham is in Queensland (QLD).Does postcode 4850 cover more than one suburb?Yes. Postcode 4850 covers 34 localities, so the postcode alone does not identify Allingham. Browse other postcodes in Queensland, or widen the search to every Australian postcode.