Vietnam · VNM
Thanh Hoa province dialing code
Thanh Hoa province · Thanh Hoa province
Dialing code
+84 237
From abroad
+84 237 123-4567
Dial +84, then the city code 237, then the phone number without the leading zero.
Within the country
0237 123-4567
Dial 0237 followed by the phone number.
How to call Thanh Hoa province?
To call Thanh Hoa province in Vietnam from abroad, dial the international code +84, followed by the city code 237, then the local number without the leading zero.