City Name / Region National Dialing Format International Dialing Format
Tuyen Quang0 (27) 2XXXXX+84 (27) 2XXXXX
Tuyen Quang0 (27) 4XXXXX+84 (27) 4XXXXX
Tuyen Quang0 (27) 5XXXXX+84 (27) 5XXXXX
Tuyen Quang0 (27) 6XXXXX+84 (27) 6XXXXX
Tuyen Quang0 (27) 7XXXXX+84 (27) 7XXXXX
Tuyen Quang0 (27) 8XXXXX+84 (27) 8XXXXX
Tuyen Quang0 (27) 9XXXXX+84 (27) 9XXXXX