Home Postcode finder QLD Merrimac Merrimac postcode QLD Merrimac is a locality in Queensland covered by postcode 4226. Postcode 4226 State or territory Queensland (QLD) Region Gold Coast Add a free Merrimac business listing More business listings in Merrimac Businesses in MerrimacAll Saints Anglican SchoolHighfield Drive · 07 55870300Bathroom Renovator 4U Gold Coastu160 10 Ghilgai Rd · (07) 5646 3736Best Pest Control Gold Coast11 Kingarry Cct, Merrimac QLD 4226, Australia · (07) 3085 9219 Common questionsWhat is the postcode for Merrimac?Merrimac, QLD has the postcode 4226.What state is Merrimac in?Merrimac is in Queensland (QLD).Does postcode 4226 cover more than one suburb?Yes. Postcode 4226 covers 3 localities, so the postcode alone does not identify Merrimac. Browse other postcodes in Queensland, or widen the search to every Australian postcode.