Not automatically. Even though they are just a 1-hour ferry ride apart, Hong Kong and Macau have separate telecommunication systems. Most local Hong Kong SIMs require you to activate a specific roaming package. If you have bought our Macau-only eSIM, it will not work in Hong Kong. If you are visiting both cities (which most travelers do), we highly recommend our Asia Regional or Hong Kong & Macau Bundle plans to stay connected on both sides of the Pearl River Delta.
HELP CENTER
Does my Hong Kong SIM card or eSIM work in Macau?
Updated April 22, 2026
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