Home Postcode finder QLD Eulo Eulo postcode QLD Eulo is a locality in Queensland covered by postcode 4491. Postcode 4491 State or territory Queensland (QLD) Region Toowoomba Region Add a free Eulo business listing More business listings in Eulo Businesses in EuloEulo State SchoolLeo St · 07 46554898 Common questionsWhat is the postcode for Eulo?Eulo, QLD has the postcode 4491.What state is Eulo in?Eulo is in Queensland (QLD).Does postcode 4491 cover more than one suburb?No. Postcode 4491 covers Eulo only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Queensland, or widen the search to every Australian postcode.