The Area Codes of New Zealand / Aotearoa: City/Town or RegionArea code 1.Christchurch0332 (+64332) 2.Christchurch0333 (+64333) 3.Christchurch0335 (+64335) 4.Christchurch0336 (+64336) 5.Christchurch0337 (+64337) 6.Christchurch0338 (+64338) 7.Christchurch0396 (+64396) 8.Christchurch0397 (+64397) 9.Christchurch0326 (+64326) 10.Christchurch0328 (+64328) 11.Christchurch, Blenheim, Nelson0398 (+64398) 12.Christchurch, Invercargill0394 (+64394) 13.Christchurch, Rolleston0334 (+64334)