merrimac postcode qldru Home ›› Postcode Finder ›› QLDRU ›› Merrimac Merrimac local listingsThe suburb of Merrimac is located in QLD and has a postcode of 4226. Free merrimac business listing! 1All Saints Anglican SchoolHighfield Drive 07 558703002King Solomon College16a Ghilgai Rd 07 552522663Merrimac State SchoolBoowaggan Rd 07 55691555 View more business listings in merrimac Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.