How do I top up a Vietnamese SIM card to verify and register a Zalo account in Hanoi?

From messages by 4 participants in 2 sources · Last activity: 9 days ago

TL;DR

Top up a Vietnamese SIM with at least 5,000 VND so it can receive the verification call or SMS needed for Zalo registration. A local number with Zalo is useful for communicating with Hanoi landlords, agents, and local contacts.

What the community said

After buying a local SIM, register Zalo with that number. In Hanoi, it is a practical way to message rental agents and receive calls from local contacts.

9 days ago Zalo

For Zalo registration, add at least 5,000 VND to your Vietnamese SIM balance so the number can receive the verification call or SMS.

22 days ago 5,000 VND

If Zalo offers verification by a paid call or SMS, check that your SIM has credit first; verification may fail without a small balance.

22 days ago 5,000 VND