Home Postcode finder ACT Holt Holt postcode ACT Holt is a locality in Australian Capital Territory covered by postcode 2615. Postcode 2615 State or territory Australian Capital Territory (ACT) Region Canberra Add a free Holt business listing More business listings in Holt Businesses in HoltBlasted Glass Quality GlazingKippax Pl · 02 6227 0237Cranleigh School20 Starke St · 02 62058000Kingsford Smith SchoolCnr Stark St & Hardwick Cres · 02 62074455 Common questionsWhat is the postcode for Holt?Holt, ACT has the postcode 2615.What state is Holt in?Holt is in Australian Capital Territory (ACT).Does postcode 2615 cover more than one suburb?Yes. Postcode 2615 covers 12 localities, so the postcode alone does not identify Holt. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.