This area code is used exclusively by "Hanoi", the capital city of Vietnam, all telephone numbers in this area have 8 digits.
All telephone numbers in this area have 8 digits. This area code is used exclusively by "Hanoi", the capital city of Vietnam.
This area code is used exclusively by "Hanoi", the capital city of Vietnam. All telephone numbers in this area have 8 digits.
This area code is used exclusively by "Hanoi", the capital city of Vietnam. All telephone numbers in this area have 8 digits.