What are phone number formats useed in a specific country or region?

Different countries or regions use different phone number formats.

To help you to understand phone number formats used in a specific country or region, FYIcenter.com has designed this online tool. All you need to do is to specify the country/region in the form below, and click the "Display" button. Phone number format information will be presented in the result area below.

Most phone numbers in Vietnam are written in the following formats:

   Prefix: long distance or international
   --------------------------------------
   |   Carrier or area code 
   |   --------------------
   |   |   Subscriber number
   |   |   -----------------
   v   v   v
   0   AA  SSSS SSSS    - Local format
  +84  AA  SSSS SSSS    - International format

Most telephone numbers in Vietnam have 10 digits and are written in the format of "AA SSSS SSSS". Here are some examples: 24 6269 9919; 28 3823 9355.

When dialing locally inside Vietnam, the long distance prefix of "0" is required. So the format becomes "0 AA SSSS SSSS".

When dialing from outside of Vietnam, the international dial-in prefix "+84" is required. So the format becomes "+84 AA SSSS SSSS".

When dialing from Vietnam to other countries, the international dail-out prefix "+" or "00" required.

To see phone number formats for other countries or regions, see our Generic Phone Number Format Browser.

To see phone number examples in Vietnam, try our Test Phone Number Generator.

To validate phone numbers in Vietnam, try our Phone Number Format Validator.

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