Home Postcodes by state VIC 3722 Postcode 3722 3722 is the postcode for 3 localities in VIC: Barwite, Mansfield and Mirimbah. Localities with postcode 3722BarwiteVICMansfieldVICMirimbahVIC Postcode 3722 State or territory Victoria (VIC) Localities 3 Council area Mansfield Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3720 · Postcode 3723