holt postcode act Home ›› Postcode Finder ›› ACT ›› Holt Holt local listingsThe suburb of Holt is located in ACT and has a postcode of 2615. Free holt business listing! 1Cranleigh School20 Starke St 02 620580002Kingsford Smith SchoolCnr Stark St & Hardwick Cres 02 620744553Blasted Glass Quality GlazingKippax Pl 02 6227 0237 View more business listings in holt Search and find other Postcodes in Australian Capital Territory or widen the search to Postcodes in Australia.