Call Vietnam
Country Code +84
Reach Vietnam (+84) from any browser. You only add a number when you also want to receive inbound calls.
Product facts
- Outbound: No dedicated number required.
- Inbound: Requires US/Canada digital number ($2.14 to $5/month).
- No apps: Works in Chrome, Safari, Edge, Firefox.
Product facts: Calls to Vietnam
- Outbound calling: Call worldwide instantly. No dedicated number required.
- Inbound calling: To receive calls in your browser, a unique US or Canada digital number is required ($2.14 to $5/month).
- App-free: Works directly in Chrome, Safari, Edge, or Firefox.
How to Call Vietnam from San Jose
Calling Vietnam is simple. Follow these steps to connect to landlines and mobiles from the USA.
US Exit Code
Dial 011. If you are using StartACall or mobile, you can use the + shortcut instead.
Vietnam Code (+84)
Dial +84 to reach Vietnam from the USA.
Drop Leading Zero
When dialing internationally, remove the initial 0 from Vietnamese numbers. For example, domestic 0912 345 678 becomes +84 912 345 678.
Dialing Examples
International dialing to Vietnam uses +84 plus the area or mobile prefix with the leading zero removed.
Vietnam City Codes
Common area and city codes for major Vietnamese cities.
| City | Region | Area Code |
|---|---|---|
| Hanoi | North | 24 |
| Ho Chi Minh City | South | 28 |
| Da Nang | Central | 236 |
| City | Region | Area Code |
|---|---|---|
| Hai Phong | North | 225 |
| Can Tho | Mekong | 292 |
| Nha Trang | Central | 258 |
International Mobile Dialing
Vietnam mobile numbers use prefixes that start with 0 domestically. For international calls remove that 0.
Drop the Zero
Mobile numbers typically begin with 0 when dialed inside Vietnam. When calling from San Jose, remove the 0 and add +84 instead.
No Domestic Carrier Codes
You do not need any carrier selection codes when dialing from the USA. Use the country code +84 followed by the area or mobile prefix and number.
Call Vietnam from San Jose in your browser
StartACall connects your browser to the PSTN so you can call Vietnam without installing apps. Use our platform for reliable voice calls, AI assistance during calls, and real-time call analytics.
- Place calls directly from Chrome, Safari, or Firefox
- Autonomous StartACall for inbound and outbound voice
- Real-time Clear audio: live transcription and suggested responses
- Manage virtual numbers across 190+ countries
Global Reach
Call any city in Vietnam from San Jose using a browser-based connection.
Secure
Encrypted voice channels and enterprise-grade reliability for business calls.
Instant
Start calling in seconds. No phone system changes required.
Browser First
Make and receive PSTN calls directly from your web browser using WebRTC and Twilio under the hood.
Frequently Asked Questions
What is the Vietnam country code?
Vietnam uses the country code +84. Dial this after the US exit code or use + on VoIP clients.
Do I need an app to call Vietnam from San Jose?
No. StartACall works in your browser. Log in and start calling without installing software.
How do I dial a mobile number in Vietnam?
Remove the leading 0 from the domestic number and add +84. For example, domestic 0912 345 678 becomes +84 912 345 678.
Can StartACall handle business calling workflows?
Yes. StartACall supports virtual numbers, inbound/outbound workflows, StartACall, and real-time analytics for teams and contact centers.
Ready to call Vietnam from San Jose?
Sign up and place your first call from the browser in seconds. No downloads, no PBX changes.