Asia · VN
Vietnam country code: +84
- Exit code from Vietnam: 00
- Time zone: ICT (UTC+7, no DST)
Reviewed by Sujan ThapaliyaLast updated
What is the country code for Vietnam?
The country code for Vietnam is +84. To call Vietnam from the United States, dial 011 84 followed by the local number with its leading 0 removed. From a mobile, dial +84 directly. A Vietnam number in full international format looks like +84 91 234 5678.
Vietnam at a glance
- Country calling code
- +84
- ISO country code
- VN
- Exit code (dialling out of Vietnam)
- 00
- The prefix people in this country dial to reach another country.
- National trunk prefix
- 0
- Drop the 0 when dialling from abroad.
- Number length
- 9 digits after the trunk 0
- Time zone
- ICT (UTC+7, no DST)
Dialing
How to call Vietnam: step by step
The full sequence is: exit code + 84 + local number (minus the leading 0).
- 1
Dial your exit code
From the United States and Canada that is 011. From most of Europe, Asia, and Africa it is 00. On any mobile you can simply press and hold 0 to get a + instead, which works from anywhere. - 2
Dial 84
84 is the country calling code for Vietnam. It never changes and it is the same from every country in the world. - 3
Drop the leading 0
Numbers written for domestic use in Vietnam start with a 0. That is a national trunk prefix, not part of the number; remove it when dialling from abroad. 24 1234 5678 is what you dial after +84. - 4
Check the time first
Vietnam is on ICT (UTC+7, no DST). Business calls placed outside local working hours are the most common reason an international call goes unanswered.
Number format
What a Vietnam phone number looks like
The examples below are format patterns showing digit grouping. They are not working numbers.
| Type | Format | Example |
|---|---|---|
| Landline | +84 XX XXXX XXX | +84 24 1234 5678 |
| Mobile | +84 [39875]X XXX XXXX | +84 91 234 5678 |
City codes
Vietnam area and city codes
Written domestically these carry a leading 0. Drop it when dialling from abroad.
| City / region | Code | Dial from abroad |
|---|---|---|
| Hanoi | 024 | +84 24 |
| Ho Chi Minh City | 028 | +84 28 |
Frequently asked questions
What is the country code for Vietnam?
The country code for Vietnam is +84. Written in full international (E.164) format, a Vietnam number looks like +84 91 234 5678.
How do I call Vietnam from the United States?
Dial 011, then 84, then the local number with its leading 0 removed. From a mobile you can dial +84 directly instead of 011.
How many digits is a Vietnam phone number?
9 digits after the trunk 0. Written internationally it becomes +84 followed by that national number.
Do I keep the 0 when calling Vietnam from abroad?
No. The leading 0 is a domestic trunk prefix. Dial +84 followed by the number with the 0 removed. Including it is the single most common reason calls to Vietnam fail.
What time is it in Vietnam?
Vietnam is on ICT (UTC+7, no DST). Check the local time before calling; the safe business window is roughly 9am to 5pm local.
Sources
- ITU-T Recommendation E.164 — The international public telecommunication numbering plan — International Telecommunication UnionThe international number format, the 15-digit maximum, and how country codes and national numbers compose.
- ITU-T International Numbering Resources — International Telecommunication UnionThe assignment of country calling codes and the published national numbering plans they belong to.
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