Abia StateArochukwu L.G.A Zipcodes by zipcode0799 Share0 Arochukwu is a Local Government Area in Abia State, Nigeria. Arochukwu Local Government is one of the 17 Local Government Areas of Abia State. State Local Govt. Area Postcode Area Name Street Street No. Abia Arochukwu 442001 Agbagwu Agbagwu Abia Arochukwu 442003 Obinto