The country code and area code of Thakhek, Laos is 856, (0)51.
The country code and area code of Bokeo, Laos is 856, (0)84.
The country code and area code of Huaphanh, Laos is 856, (0)64.
The country code and area code of Loungprabang, Laos is 856, (0)71.
The country code and area code of Oudomsay, Laos is 856, (0)81.
The country code and area code of Pakse, Laos is 856, (0)31.
The country code and area code of Phongsaly, Laos is 856, (0)88.
The country code and area code of Savannakhet, Laos is 856, (0)41.
The country code and area code of Sayabouri, Laos is 856, (0)74.
The country code and area code of Xekong, Laos is 856, (0)38.
The country code and area code of Vientiane, Laos is 856, (0)21.
The country code and area code of Borikhamsay, Laos is 856, (0)54.