Vietnam · VNM
Cao Bang province dialing code
Cao Bang province · Cao Bang province
Dialing code
+84 206
From abroad
+84 206 123-4567
Dial +84, then the city code 206, then the phone number without the leading zero.
Within the country
0206 123-4567
Dial 0206 followed by the phone number.
How to call Cao Bang province?
To call Cao Bang province in Vietnam from abroad, dial the international code +84, followed by the city code 206, then the local number without the leading zero.