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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 (GUANGDONG) 內地(廣東) 86 --- 0
Chaozhou 潮州 86 768 ---
Dongguan 東莞 86 769 ---
Foshan 佛山 86 757 ---
Guangzhou 廣州 86 20 ---
Haifeng 海豐 86 660 ---
Huidong 惠東 86 752 ---
Huizhou 惠州 86 752 ---
Jiangmen 江門 86 750 ---
Lufeng 陸豐 86 660 ---
Nanhai 南海 86 757 ---
Panyu 番禺 86 20 ---
Sanshui 三水 86 757 ---
Shantou 汕頭 86 754 ---
Shunde 順德 86 765 ---
Taishan 台山 86 750 ---
Xinhui 新會 86 750 ---
Zhaoqing 肇慶 86 758 ---
Zhongshan 中山 86 760 ---
Zhuhai 珠海 86 756 ---

IDD tariff (HK$/min)
Country / Region Peak Rate*
(9:00AM - 8:59PM) 		Off Peak Rate*
(9:00PM - 8:59AM)
MAINLAND (GUANGDONG) 內地(廣東) 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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