Home Postcode finder WA Jerramungup Jerramungup postcode WA Jerramungup is a locality in Western Australia covered by postcode 6337. Postcode 6337 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Jerramungup business listing More business listings in Jerramungup Businesses in JerramungupJerramungup District High SchoolLancaster Rd · 08 98351233 Common questionsWhat is the postcode for Jerramungup?Jerramungup, WA has the postcode 6337.What state is Jerramungup in?Jerramungup is in Western Australia (WA).Does postcode 6337 cover more than one suburb?Yes. Postcode 6337 covers 5 localities, so the postcode alone does not identify Jerramungup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.