The Area Codes of New Zealand / Aotearoa: City/Town or RegionArea code 1.Taihape, Ohakune, Waiouru0638 (+64638) 2.Taumarunui0789 (+64789) 3.Taupo0737 (+64737) 4.Taupo0738 (+64738) 5.Taupo0790 (+64790) 6.Tauranga0754 (+64754) 7.Tauranga0757 (+64757) 8.Tauranga0793 (+64793) 9.Te Awamutu, Otorohanga, Te Kuiti0787 (+64787) 10.Timaru0361 (+64361) 11.Timaru, Waimate, Fairlie0368 (+64368) 12.Tokanui, Lumsden, Te Anau0324 (+64324)