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Home       Phones and Plans       International Roaming       Calling Overseas

1638 IDD

Country & area code
Country / Region International call prefix Area Code Time Difference
MAINLAND (REST OF MAINLAND) 內地(其他地方) 86 --- 0
Anhui Province 安徽省 86 506 ---
Anhui Province 安徽省 86 550-9 ---
Anhui Province 安徽省 86 561-2 ---
Anhui Province 安徽省 86 564-6 ---
Anhui Province 安徽省 86 583 ---
Baoji 寶雞 86 917 ---
Baotou 包頭 86 472 ---
Beijing 北京 86 10 ---
Changchun 長春 86 431 ---
Changsha 長沙 86 731 ---
Chengdu 成都 86 28 ---
Chongqing 重慶 86 23 ---
Dalian 大連 86 411 ---
Datong 大同 86 352 ---
Fujian Province 福建省 86 583, 591-9 ---
Fuzhou 福州 86 591 ---
Gansu Province 甘肅省 86 930-9, 941, 943 ---
Guangxi Province 廣西省 86 770-9 ---
Guilin 桂林 86 773 ---
Guiyang 貴陽 86 851 ---
Guizhou Province 貴州省 86 851-5, 857-8 ---
Haikou 海口 86 898 ---
Hainan Province 海南省 86 898 ---
Hangzhou 杭州 86 571 ---
Hanyang 漢陽 86 27 ---
Harbin 哈爾濱 86 451 ---
Hebei Province 河北省 86 310-9, 335 ---
Hefei 合肥 86 551 ---
Heilongjiang Province 黑龍江省 86 451-9 ---
Henan Province 河南省 86 370-9, 391-6, 398 ---
Hengyang 衡陽 86 734 ---
Hubei Province 湖北省 86 27 ---
Hubei Province 湖北省 86 710-9 ---
Hubei Province 湖北省 86 722 ---
Hubei Province 湖北省 86 724 ---
Hubei Province 湖北省 86 728 ---
Huhehoote 呼和浩特 86 471 ---
Hunan Province 湖南省 86 730-9, 743, 745-6 ---
Jiangsu Province 江蘇省 86 25 ---
Jiangsu Province 江蘇省 86 510-9 ---
Jiangsu Province 江蘇省 86 520 ---
Jiangsu Province 江蘇省 86 523 ---
Jiangsu Province 江蘇省 86 527 ---
Jiangsu Province 江蘇省 86 769 ---
Jiangxi Province 江西省 86 701, 790-9 ---
Jilin Province 吉林省 86 431, 432 ---
Jilin 吉林市 86 432 ---
Jinan 濟南 86 831 ---
Jiujiang 九江 86 792 ---
Jiuquan 酒泉 86 937 ---
Kaifeng 開封 86 378 ---
Kunming 昆明 86 871 ---
Lanzhou 蘭州 86 931 ---
Lhasa 拉薩 86 891 ---
Liaoning Province 遼寧省 86 24, 411 ---
Nanchang 南昌 86 791 ---
Nanjing 南京 86 25 ---
Nanning 南寧 86 771 ---
Neimonggol 內蒙古 86 471, 472 ---
Ningbo 寧波 86 574 ---
Ningxia Province 寧夏省 86 951 ---
Qingdao 青島 86 832 ---
Qinghai Province 青海省 86 971 ---
Qinhuangdao 秦皇島 86 335 ---
Qiqihar 齊齊哈爾 86 452 ---
Quanzhou 泉州 86 595 ---
Shaanxi Province 陝西省 86 29, 917 ---
Shandong Province 山東省 86 531, 532 ---
Shanghai 上海 86 21 ---
Shanxi Province 山西省 86 351, 352 ---
Shenyang 瀋陽 86 24 ---
Shijiazhuang 石家莊 86 311 ---
Sichuan Province 四川省 86 23 ---
Sichuan Province 四川省 86 28 ---
Sichuan Province 四川省 86 810 ---
Sichuan Province 四川省 86 812-3 ---
Sichuan Province 四川省 86 816-9 ---
Sichuan Province 四川省 86 825 ---
Sichuan Province 四川省 86 830-5 ---
Sichuan Province 四川省 86 837 ---
Suzhou 蘇州 86 512 ---
Taiyuan 太原 86 351 ---
Tianjin 天津 86 22 ---
Urumqi 烏魯木齊 86 991 ---
Wuhan 武漢 86 27 ---
Wuhu 蕪湖 86 553 ---
Xiamen 廈門 86 592 ---
Xian 西安 86 29 ---
Xining 西寧 86 971 ---
Xinjiang Province 新疆省 86 902-3 ---
Xinjiang Province 新疆省 86 906 ---
Xinjiang Province 新疆省 86 909 ---
Xinjiang Province 新疆省 86 990-9 ---
Xizang Province 西藏 86 891 ---
Yinchuan 銀川 86 951 ---
Yunnan Province 雲南省 86 691-2, 870-9, 881 ---
Zhejiang Province 浙江省 86 570-9, 580 ---
Zhengzhou 鄭州 86 371 ---

IDD tariff (HK$/min)
Country / Region Peak Rate*
(9:00AM - 8:59PM) 		Off Peak Rate*
(9:00PM - 8:59AM)
MAINLAND (REST OF MAINLAND) 內地(其他地方) 3.78 3.08

* The above charges are applicable for designated customers. If you would like to enquire about the charges for your registered 1638 IDD, please call our hotline at 2880 2688.


  • Prices are subject to change without prior notice.
  • When dialing an overseas number retrieved from the phone’s call history, a standard 001 IDD tariff will be charged.
  • Calling to Australia: Call to the prefix "61145" & "61147" are charged at HK$34.8/min.
  • Calling to UK: Calls to the prefix "4455", "4456", "447", "448" & "449" are charged at the rate of calling UK mobile phone numbers.
  • If duration of a call covers two time zones, calling rate at the time of connection will be applied to the whole call.
  • Subject to relevant terms and conditions. Please click here for details.
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