How to call Vietnam using the international calling code +84 and area code.
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Example numbers for Vietnam:
Your local time
—:—
Time in Vietnam
—:—
Code
+84
ISO
VN
Region
Asia
Time zone
Asia/Ho Chi Minh
Every Vietnam number in international format follows this shape — colour-coded so you can see where the country code ends and the local number begins.
When dialing Vietnam from abroad, the only fixed part is +84 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside Vietnam.
+XX XXX XXX XXX
Dial the country code +84, then the full mobile number.
Example: +84 912 345 678
+84
Enter the country code +84 when dialing Vietnam from abroad.
Add the local phone number without the leading zero.
Use TwinPhone to connect the call at low per-minute rates.
Vietnam's international country code is +84. It was assigned by the International Telecommunication Union under recommendation E.164 and is the dialing prefix at the start of every Vietnam phone number written in international format.
You'll often see +84 referred to in search as the "84 area code". Strictly speaking, +84 is a country code — area codes are sub-national, used inside Vietnam. The practical meaning is the same: any number starting with +84 or 0084 is a Vietnam number.
TwinPhone routes calls to every +84 number directly from your browser — no app, no SIM card, no calling card. Type +84 followed by the local number, press call, and you're connected.
Dialing codes immediately above and below +84 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Landline
$0.15
per minute
Mobile
$0.15
per minute
Include the area code if applicable. Omit any leading 0.
Everything you need to know about TwinPhone.
The country code (international dialing code) for Vietnam is +84. To call Vietnam from abroad, dial +84 followed by the national number without its leading zero.
+84 is Vietnam's international country calling code under the ITU E.164 plan — often searched as the "84 area code". Any phone number starting with +84 is a Vietnam number.
From TwinPhone, just type +84 and the number — we connect it. From a landline, dial your exit code, then +84, then the number without the leading 0.
Vietnam's current local time is shown live on this page. Check it before calling so you reach people during waking hours.
No. TwinPhone works directly in your browser — Chrome, Edge, Safari, or Brave. Open the site, add credit, dial +84 and your number, done. No installs, no plugins, no SIM card required.
Yes! Virtual numbers in Vietnam start at $1.95/month. Use it as your caller ID so people see a local number, or receive incoming calls directly in your browser.
Every call uses industry-standard transport encryption (TLS + SRTP). We don't sell your data or share your call history. We don't record calls unless you explicitly enable recording.
TwinPhone uses adaptive audio technology that adjusts to your connection quality. Even on slow or unstable Wi-Fi — airport, hotel, coffee shop — your call stays connected and audible.
Calls to Vietnam landlines start at just $0.15/min and mobile at $0.15/min. No connection fees, no hidden charges. Billed per minute in 60-second increments (rounded up to the next minute).
Dial Vietnam from your browser — pay only for what you call.
$0.50 credit on signup14-day money-back guarantee
