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
Was this answer helpful?
Related questions
Other answers in this topic that travelers found useful.
Can I buy an eSIM for Lisbon at Humberto Delgado Airport (LIS)?
While you can find physical SIM cards at Lisbon Airport (LIS), it's more convenient to purchase an eSIM like Ti Porto in Viaggio online before you depa…
Read answerHow reliable is 5G/4G coverage with an eSIM in Lisbon neighborhoods?
Lisbon boasts strong 5G and 4G LTE coverage, especially in central areas like Baixa, Belém, and Parque das Nações. An eSIM will connect you …
Read answerDoes my phone need to be unlocked to use an eSIM in London?
Yes, to use any travel eSIM, including those for London, your mobile phone must be unlocked by your home carrier. An unlocked device allows …
Read answerHow much mobile data (GB) do I need for a trip to Marrakech?
For a typical 5-7 day trip exploring Marrakech's Medina, Djemaa el-Fna, and Majorelle Garden, 3-5 GB of data is usually sufficient. This all…
Read answerIs an eSIM good for travel in Michigan, USA?
Yes, an eSIM like Ti Porto in Viaggio is an excellent choice for Michigan travel. It provides instant mobile data across the state, from Detroit to the…
Read answer