Laos has three main mobile operators: Lao Telecom, Unitel, and ETL. HelloRoam eSIM plans connect via partner networks with 4G LTE in urban and tourist corridors.
Vientiane, the capital, has solid 4G coverage across the city center, the morning market area, and Wattay International Airport. Luang Prabang has 4G in the UNESCO town center, the night market area, and around the main temple district. Vang Vieng has good 4G along the main tourist street, the riverside, and the tubing entry points.
The Luang Prabang to Vang Vieng highway has 4G in main towns with gaps between settlements. The northern provinces of Phongsali, Luang Namtha, and Muang Sing have 4G in the provincial capitals but minimal coverage in villages. The 4,000 Islands region in the south (Si Phan Don) has some 4G on Don Det and Don Khon. Remote areas of the Bolaven Plateau and jungle reserves have no mobile signal. Download offline maps for any travel outside main towns.