portland postcode vicbu Home ›› Postcode Finder ›› VICBU ›› Portland Portland local listingsThe suburb of Portland is located in VIC and has a postcode of 3305. Free portland business listing! 1Portland Bay Holiday ParkPortland (03) 5523 14872Portland South Primary SchoolEdgar St 03 552329113Portland Special Developmental School312 Edgar St 03 55232218 View more business listings in portland Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.