The Area Codes of New Zealand / Aotearoa: City/Town or RegionArea code 1.Rangiora, Amberley, Culverden, Darfield, Cheviot, Kaikoura0331 (+64331) 2.Riverton, Winton0323 (+64323) 3.Rotorua0734 (+64734) 4.Rotorua0735 (+64735) 5.Rotorua0736 (+64736) 6.Rotorua, Taupo0733 (+64733) 7.Rotorua, Whakatane, Tauranga0792 (+64792)