Home Postcode finder QLD Amby Amby postcode QLD Amby is a locality in Queensland covered by postcode 4462. Postcode 4462 State or territory Queensland (QLD) Region Toowoomba Region Add a free Amby business listing Be the first listing in Amby Common questionsWhat is the postcode for Amby?Amby, QLD has the postcode 4462.What state is Amby in?Amby is in Queensland (QLD).Does postcode 4462 cover more than one suburb?No. Postcode 4462 covers Amby only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Queensland, or widen the search to every Australian postcode.