Home to Little Saigon in Orange County and large communities in Houston and San Jose, the Vietnamese-American population is one of the biggest in the country. Here is how to dial a Vietnamese number from the US.
How to dial Vietnam from United States of America (USA)
- 1Dial the exit code 011
From United States of America (USA), every international call starts with the exit code 011. On a mobile you can type + instead - it stands in for the exit code automatically.
- 2Add Vietnam's country code +84
Next comes +84, the country code that routes your call to Vietnam.
- 3Add the area or city code
Then the destination's area or city code - see the common Vietnam codes below.
- 4Dial the local number
Finish with the subscriber number. The full format for Vietnam is +84 XX XXXX XXXX.
A Vietnam number dialed from United States of America (USA) looks like this:
Skip the dialing codes: type the number and Hyallo dials it for you, right from your browser.
Rates to Vietnam
| Number type | Per minute | 10-minute call |
|---|---|---|
| Landline and mobile | $0.23 | $2.30 |
Prices as of October 30, 2026. Rates can change.
That's $0.23/min, no plan or contract. Call Vietnam right now from your browser.
Vietnam is 12h ahead of United States of America (USA).
When it's a friendly 9 AM–9 PM in Vietnam, it's 9 PM–9 AM where you are.
Good time to call? Start now: Hyallo works from any browser.
Vietnam area codes
Vietnamese area codes after +84 (drop the leading 0 from the local number).
| Area code | City / region |
|---|---|
| +84 24 | Hanoi |
| +84 28 | Ho Chi Minh City |
| +84 236 | Da Nang |
| +84 225 | Hai Phong |
| +84 234 | Hue |
| +84 258 | Nha Trang |
| +84 254 | Vung Tau |
| +84 262 | Da Lat |
| +84 292 | Can Tho |
| +84 256 | Quy Nhon |
| +84 297 | Phu Quoc |
| +84 232 | Vinh |
Mobile numbers start with 3, 5, 7, 8, or 9 (e.g. +84 9X XXX XXXX after dropping the 0).
Found the area code? Type the number and call Vietnam right now, no app needed.
Why call Vietnam with Hyallo
Secure
Calls are encrypted from your browser.
Easy
Type the number and press call.
No app
Works in your browser. Nothing to install.
Low cost
From $0.23 a minute, no monthly fee.
Nationwide
Reach landlines and mobiles anywhere in Vietnam.
Instant
Sign in with your email and call in seconds.
Ready to reach Vietnam? Call it now with Hyallo.
Calling Vietnam from United States of America (USA)
Call Vietnam with Hyallo and keep in touch with one of the fastest-growing economies in Southeast Asia - over 5 million Vietnamese living abroad, especially in the US, Australia, and France, call home regularly to Ho Chi Minh City, Hanoi, and Da Nang.
More countries to call from United States of America (USA)
Frequently asked questions
How do I dial Vietnam from United States of America (USA)?
From United States of America (USA), dial the exit code 011, then Vietnam's country code +84, then the area code and the local number. On a mobile you can press + in place of 011.
How much does it cost to call Vietnam from United States of America (USA)?
With Hyallo you pay $0.23/min to call Vietnam - a fraction of typical carrier and roaming rates - and your first call is free.
Can I call a Vietnam landline or mobile from my browser?
Yes. Hyallo connects your browser straight to the phone network, so you can reach any Vietnam landline or mobile from United States of America (USA) with nothing to install.
Do I need an app to call Vietnam from United States of America (USA)?
No. Hyallo runs in your browser on any computer or phone, so there is nothing to install.
What is the best time to call Vietnam from United States of America (USA)?
Call between 9 AM–9 PM in Vietnam, which is 9 PM–9 AM in United States of America (USA).
What is the country code for Vietnam?
The country code for Vietnam is +84. From United States of America (USA), dial 011 first, or press + on a mobile.