Vietnam · VNM
Hung Yen province dialing code
Hung Yen province · Hung Yen province
Dialing code
+84 221
From abroad
+84 221 123-4567
Dial +84, then the city code 221, then the phone number without the leading zero.
Within the country
0221 123-4567
Dial 0221 followed by the phone number.
How to call Hung Yen province?
To call Hung Yen province in Vietnam from abroad, dial the international code +84, followed by the city code 221, then the local number without the leading zero.