Area Codes New Zealand / Aotearoa The Area Codes of New Zealand / Aotearoa: City/Town or Region Area code 1.Waipukurau06852.Wanganui06343.Wanganui, New Plymouth06964.Warkworth09905.Wellington0436.Wellington0447.Wellington04808.Wellington04919.Wellington049210.Wellington049311.Wellington049412.Wellington049513.Wellington049614.Wellington049715.Wellington049816.Wellington049917.Wellington, Hutt Valley04518.Wellington, Porirua, Tawa042319.Westport037820.Whakatane073021.Whakatane073222.Whakatane, Opotiki073123.Whangarei099824.Whangarei, Maungaturoto0943