Vietnam Phone Number Format
Country code +84 · ISO VN
How to format, dial, and validate Vietnam phone numbers, with live examples.
Country Code
+84
National Prefix
0
International Prefix
00
Mobile Portability
No
Try it now
Pre-filled with a valid fixed line number for Vietnam. Edit it and click "Try It" to see the parsed result.
Number Types & Example Formats
Each Vietnam phone-number type supported by libphonenumber, with a real example formatted three ways.
| Type | Length | National | International | E.164 |
|---|---|---|---|---|
| Fixed Line | 10 digits | 0210 1234 567 | +84 210 1234 567 | +842101234567 |
| Mobile | 9 digits | 0912 345 678 | +84 912 345 678 | +84912345678 |
| Premium Rate | 8–10 digits | 1900 123456 | +84 1900 123456 | +841900123456 |
| Toll Free | 8–10 digits | 1800 123456 | +84 1800 123456 | +841800123456 |
| UAN | 7–8 digits | 0199 2000 | +84 1992000 | +841992000 |
| VoIP | 9 digits | 067 201 23 45 | +84 67 201 23 45 | +84672012345 |
How to Dial Vietnam Numbers
From abroad
Dial +84 followed by the national number, dropping any leading 0.
Within Vietnam
Dial 0 before the local number to make a domestic call.
Dialing out of Vietnam
Dial 00 followed by the destination country code and number.
Area Codes
Browse Vietnam area codes with cities, timezones, and example numbers for each.
Validate a Vietnam Number with the API
Send the number to the free libphonenumber API to get the parsed country, type, formatting, and validity.
curl https://libphonenumberapi.com/api/phone-numbers/+842101234567Frequently Asked Questions
What is the country code for Vietnam?
└ The international country code for Vietnam is +84. Use this prefix when dialing Vietnam numbers from another country.
How long is a Vietnam phone number?
└ Vietnam phone numbers are typically 10 digits, not including the +84 country code.
How do I dial a Vietnam phone number from abroad?
└ From abroad, dial +84 followed by the national number, dropping any leading 0. Within Vietnam, dial 0 before the local number.
How do I validate a Vietnam phone number programmatically?
└ Send a GET request to https://libphonenumberapi.com/api/phone-numbers/<number>. The free libphonenumber API returns the parsed country, format, type, and validity for any number — no API key required.