Every number type in Vietnam with real format examples: how numbers are written domestically, how to dial them from abroad, and the E.164 form your systems should store.
Right now in Vietnam
--:--
Country code
+84
Trunk prefix
0
Intl. call prefix
00
Mobile digits
9
Number formats by type
Examples from the official numbering plan metadata. The E.164 column is the normalized form for databases and APIs.
Type
Domestic (national)
From abroad
E.164
Digits
Landline
0210 1234 567
+84 210 1234 567
+842101234567
10
Mobile
0912 345 678
+84 912 345 678
+84912345678
9
Toll-free
0 1800 123456
+84 1800 123456
+841800123456
[8-10]
Premium rate
0 1900 123456
+84 1900 123456
+841900123456
[8-10]
VoIP
067 201 23 45
+84 67 201 23 45
+84672012345
9
How to call Vietnam
From abroad: dial +84 (or your country's exit code, e.g. 00 from Europe, 011 from North America), then the national number without the leading 0. Example: +84 912 345 678
Within Vietnam: dial the number as written domestically, including the trunk prefix 0. Example: 0912 345 678
Calling abroad from Vietnam: the international prefix is 00, or simply use + on mobiles.
Storing numbers in software: always store E.164 (+84912345678): unambiguous, sortable, and what SMS and telephony APIs expect.
Exact dial sequence from your country
Pick where you are calling from and get the digit-for-digit sequence for a Vietnam number, with your country's exit code instead of the generic +.
Dial exactly
Frequently Asked Questions
What is the phone number format in Vietnam?
Numbers in Vietnam use country code +84. A mobile number looks like 0912 345 678 domestically, or +84 912 345 678 in international format (E.164: +84912345678). Mobile numbers have 9 national digits.
How do I call Vietnam from abroad?
Dial your country's international prefix (or +), then 84, then the national number without the leading 0. Example: +84 912 345 678.
What is the country calling code for Vietnam?
The country calling code for Vietnam is +84. To call abroad from Vietnam, the international prefix is 00 (or use +).
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