Home Postcodes by state VIC 3056 Postcode 3056 3056 is the postcode for 3 localities in VIC: Brunswick, Brunswick Lower and Brunswick North. Localities with postcode 3056BrunswickVICBrunswick LowerVICBrunswick NorthVIC Postcode 3056 State or territory Victoria (VIC) Localities 3 Council area Merri-bek Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3055 · Postcode 3057