Vietnam (+84) calling code basics.
The +84 prefix connects one of Asia's fastest-growing economies — from Hanoi's ministries to Ho Chi Minh City's manufacturing and tech sectors. Here's the verified Vietnam country code, ISO references, live local time, and Ringflow's direct Vietnamese routes.
Vietnam at a glance.
The geography, area codes and ICT time zone you need before placing your first call into Vietnam.
Vietnam country information
Every route into Vietnamese lines.
Landline, calling card or business VoIP — the +84 prefix reaches all 63 provinces and municipalities. Pick what fits your traffic.
Direct calls using landlines & mobile phones
Dial Vietnam directly from any landline or mobile by entering your international exit code, then the country code +84, and finally the local number.
International calling cards for Vietnam
Pre-paid international calling cards remain a convenient, low-cost way to reach Vietnam. Each card gives you a PIN and an access number to place global calls.
VoIP services for contacting Vietnam
VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Vietnam over the internet, usually at far lower rates than traditional carriers.
What shapes Vietnamese voice traffic, north to south.
The fundamentals behind calls to and from Vietnam — the +84 code, Hanoi, the single ICT zone and the area-code plan.
How to call Vietnam.
A Vietnamese number is built from four parts. Here's the anatomy and dialling order, including the leading-zero rule.
Number anatomy
Start with the exit prefix
Press + on a mobile (hold the 0 key), or dial 00 from most countries, or 011 from North America.
Add the Vietnam code
Dial +84. This identifies Vietnam on the global telephone network.
Enter the area or mobile prefix
Type the first part of the local number. Drop the leading 0 if there is one.
Finish with the subscriber number
The remaining digits route the call to the specific line in Hanoi or elsewhere.
Dialling Vietnam (+84) from other countries
The exit prefix changes by origin; the Vietnam code stays +84.
| Calling from | Exit prefix | You dial, then the national number |
|---|---|---|
| United States & Canada | 011 | 011 84 |
| United Kingdom & most of Europe | 00 | 00 84 |
| Australia | 0011 | 0011 84 |
| Japan | 010 | 010 84 |
| Any mobile (E.164) | + | +84 |
Browse the full country code index.
Search by country name, ISO code or dial prefix. Click any country for its dialing rules and Ringflow's local number availability.
FAQ
Calling Vietnam, answered.
What businesses and travellers ask most before dialling Vietnam on +84.
Connect to Vietnam on carrier-grade Southeast Asian routes.
Free trial · No card required · Port numbers free · Month-to-month
Dialling Vietnam without misdialling
Vietnam’s calling code is +84 , which puts it in East Asia and a group of global services. The codes below are the ones a caller actually reaches by mistake, so they are worth checking before a number goes into a CRM or an outbound list.
| Dial this by mistake | and you reach | Why it happens |
|---|---|---|
| +86 | China | One digit out on the last position |
| +81 | Japan | One digit out on the last position |
| +82 | South Korea | One digit out on the last position |
Other Asia countries in the same numbering zone: Bangladesh +880, Cambodia +855, China +86, Hong Kong +852, Japan +81. Vietnam's capital is Hanoi.