Most of the world’s mobile telecommunications systems operate in Hong Kong, including GSM 900, PCS 1800, LTE, CDMA and WCDMA. Check if your service provider has a roaming agreement with a Hong Kong operator. And be sure to pay attention to the roaming rates!
For a great deal on mobile roaming in Hong Kong, pick up a Discover Hong Kong Tourist SIM card as soon as you arrive. The prepaid card lasts either five or eight days and offers free local calls, free Wi-Fi, bundles of mobile data, as well as cheap international calls and SMS messages. Find out more here.
Local private landline calls are free and cost only HK$1 for five minutes from public telephones. International Direct Dial (IDD) service to most countries and regions of the world is available at most hotels for a fee. The IDD code for Hong Kong is +(852). For worldwide IDD Codes, please click here.