Home Postcode finder ACT Monash Monash postcode ACT Monash is a locality in Australian Capital Territory covered by postcode 2904. Postcode 2904 State or territory Australian Capital Territory (ACT) Region Canberra Add a free Monash business listing More business listings in Monash Businesses in MonashMino's Concreting & Excavationkneeshaw st · 0419 292 100Mino's Concretor12 Mault Pl, Monash ACT, Australia · 0419 292 100Monash Primary School45 Corlette Cres · 02 62057555 Common questionsWhat is the postcode for Monash?Monash, ACT has the postcode 2904.What state is Monash in?Monash is in Australian Capital Territory (ACT).Does postcode 2904 cover more than one suburb?Yes. Postcode 2904 covers 4 localities, so the postcode alone does not identify Monash. Browse other postcodes in Australian Capital Territory, or widen the search to every Australian postcode.