Where to buy a physical SIM card in Nha Trang, Vietnam, and what documents are required?

For travelers prioritizing mobile data, Viettel is one of the carriers being considered for an in-person SIM purchase in Nha Trang rather than buying from an informal seller.

For mobile internet, travelers are considering buying a SIM directly from a Viettel office in Nha Trang.

A regular physical SIM can be ordered before the trip through Ozon or Wildberries; M8 Vietnam was mentioned as an option. Alternatively, buy one at a local carrier’s sales office in Nha Trang.

When purchasing a SIM at a carrier office in Nha Trang, bring your passport or keep a photo of it on your phone for registration. Travelers report that this option is inexpensive.