The +84 prefix belongs to Vietnam. If you got a call or text from a number starting with +84 (calling code 84), it came from Vietnam.
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Code
+84
ISO
VN
Region
Asia
Time zone
Asia/Ho Chi Minh
The +84 code identifies Vietnam on the international telephone network. Country code 84 is assigned to Vietnam under the ITU-T E.164 numbering plan, so any phone number that begins with +84 — written +84 or 0084 — is a Vietnam number.
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
Example: +84 912 345 678
+84 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
Enter the country code +84 when dialing Vietnam from abroad.
Add the local phone number (in most countries, drop the leading zero).
Use TwinPhone to connect the call at low per-minute rates.
Enter a phone number and start instantly
Example numbers for Vietnam:
Dialing codes immediately above and below +84 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Everything you need to know about TwinPhone.
The +84 code belongs to Vietnam. Any phone number that starts with +84 — or with 0084 — is a Vietnam number.
The 0084 prefix is Vietnam. The 00 is the international exit code dialed from Europe and many other regions; it is followed by +84, the Vietnam country code.
Dialing code 84 (dialed as +84 or 0084) belongs to Vietnam. Any phone number that starts with +84 is a Vietnam number.
Country code 84 is the ITU-T E.164 calling code for Vietnam. To call Vietnam from abroad, dial +84 followed by the national number.
The country code (international dialing code) for Vietnam is +84. To call Vietnam from abroad, dial +84 followed by the national number (in most countries, 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 (in most countries, 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.
Yes! Virtual numbers in Vietnam start at $1.60/month. Use it as your caller ID so people see a local number, or receive incoming calls directly in your browser.
Calling Vietnam with TwinPhone starts from $0.02/min, billed by the minute (rounded up to the next full minute). It is pay-as-you-go from your browser — no connection fee and no monthly fee. The exact per-minute price for +84 landlines and mobiles is shown live on this page.
Yes. TwinPhone works entirely in your web browser — Chrome, Edge, Safari, or Brave on desktop or mobile. There is no app to install and no SIM card: open the site, add credit, dial +84 and the Vietnam number, and the call connects.
A +84 number is not automatically a scam — +84 is simply the country code 84 assigned to Vietnam under ITU-T E.164, so the call or text came from Vietnam. If you do not know anyone there, treat an unexpected +84 call with the same caution as any unknown number: do not call back blindly and do not share personal details. Costs to call Vietnam are shown above.
Dial +84 with TwinPhone — no SIM, no app, right from your browser.
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