Country code
Vietnam +84
Dial +84 from outside Vietnam, then the national number. Use the full international number: country code, then the national significant number. Drop any domestic trunk prefix (often 0) shown in local formats.
How to dial Vietnam
- Enter the country code +84 when dialing from outside Vietnam.
- Add the national number without repeating the country code.
- Use the full international number: country code, then the national significant number. Drop any domestic trunk prefix (often 0) shown in local formats.
National numbers for this destination are typically 8–11 digits (after +84).
Dialing examples
International format
+84 · then 8–11 digit national number
Replace digits with the full number you are calling. Use the dialer to validate length for landline vs mobile.
Time zones
Vietnam is commonly associated with: ICT.
Typical business hours are around 9:00–17:00 local time on weekdays—confirm for the region you are calling.