青海省的区号是什么

城市区号城市区号海晏0970湟巾0972大通0971湟源0972西宁0971同仁0973海东0972***和0974互助0972兴海0974化隆0972果洛0975乐都0972玛沁0975民和0972玉树0976平安0972德令哈0977循化0972冷湖09849格尔木市0979杂多09837河南县09820曲麻莱09838尖扎09829龙羊峡09839泽库09829茫崖09840李家峡09830贵德09841乌兰09831贵南09842都兰09832同德09844天峻09833祁连09846治多09834刚察09847达日09851玛多09852班玛09853甘德09854久治09855大柴旦09848海北09835门源0978