City Name / Region National Dialing Format International Dialing Format
Phu Yen0 (57) 2XXXXX+84 (57) 2XXXXX
Phu Yen0 (57) 4XXXXX+84 (57) 4XXXXX
Phu Yen0 (57) 5XXXXX+84 (57) 5XXXXX
Phu Yen0 (57) 6XXXXX+84 (57) 6XXXXX
Phu Yen0 (57) 7XXXXX+84 (57) 7XXXXX
Phu Yen0 (57) 8XXXXX+84 (57) 8XXXXX
Phu Yen0 (57) 9XXXXX+84 (57) 9XXXXX