SIM cards and eSIM in Vietnam
SIM cards and eSIM in VietnamWhich carriers matter, what buying a SIM involves, and when an eSIM is the smarter move.
Mobile internet eSIM Best option when traveling
Guac
RecommendedReliable mobile internet at better prices than most travel eSIMs, with polished iOS and Android apps and support for making and receiving phone calls.
Airalo
One of the biggest travel eSIM brands, with a very large destination catalog.
Holafly
Known for unlimited-data plans in many destinations, at a higher price per gigabyte.
Buying a local SIM card ID registration required
- Bring your passport; the seller registers the prepaid SIM during activation.
- Viettel Super 4G includes 30GB for 30 days and costs around 120,000 VND (~$4.80).
- Starter packs may be sold in convenience stores, but an official carrier shop is safer for registration and activation.
- A travel eSIM is the simpler option and avoids local SIM registration steps.
Avoid pre-activated SIMs sold without an ID check; they can be blocked without warning.
Local carriers
Viettel
Best choice for broad coverage, including rural areas.
MobiFone
Tourist-friendly choice with a straightforward purchase process.
VinaPhone
A solid alternative; compare current prepaid offers before buying.
Frequently asked questions
Do I need my passport to buy a SIM card in Vietnam?
Bring your passport; the seller registers the prepaid SIM during activation.
What is the best eSIM for Vietnam?
Guac eSIM covers Vietnam with data plans starting from $0.58 per GB and instant activation, so your phone is online the moment you land. Airalo and Holafly are popular alternatives.