Country codes › East & South Asia
🇻🇳 +84 country code
+84 is the international dialing code for Vietnam. A number there is written +84 91 234 56 78 internationally and 091 234 56 78 at home. Enter a +84 number below for a free check before you call back.
- Country code: +84
- Exit code from Vietnam: 00
- Time: UTC+7
- Mobile numbers: 9 digits
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+84 at a glance
- Country code
- +84
- Country
- 🇻🇳 Vietnam
- Region
- East & South Asia
- Exit code (to call out)
- 00
- Trunk prefix (domestic)
- 0
- International format
- +84 91 234 56 78
- Domestic format
- 091 234 56 78
- From the US / Canada
- 011 84 91 234 56 78
- Mobile number length
- 9 digits
- Landline length
- 10 digits
- Time zone
- UTC+7
- Local time now
- —
Area codes inside +84
Landline numbers in Vietnam begin with a local area code after +84. The main ones:
- +84 24
- +84 28
- +84 296
- +84 254
- +84 209
- +84 204
- +84 291
- +84 222
- +84 275
- +84 256
- +84 274
- +84 271
Unexpected call from +84?
If you have no contacts in Vietnam, a missed call from +84 that rings once is the classic "wangiri" pattern: the callback is billed at international or premium rates. Do not call back; look the number up instead.
Messages from foreign numbers offering jobs, investments or "a wrong number" chat are another common opener. A real +84 number can also be spoofed, so caller ID alone proves little — check whether the number is valid, which network holds it and whether it is a mobile, landline or VoIP line.
Foreign number on your screen? Why caller ID isn't the whole story
How to dial +84
- From a mobile anywhere: press + (hold 0), then 84, then the number without the leading 0.
- From the US or Canada: dial 011, then 84, then the number without the leading 0 — for example 011 84 91 234 56 78.
- From most of Europe, Africa and Asia: dial 00, then 84 and the number without the leading 0.
- Inside Vietnam: drop the 84 and dial the number with its 0 in front — 091 234 56 78.
Mobile networks on +84
Mobile number ranges under +84 are allocated to these networks, among others. Numbers can be ported between them, which is why a lookup checks the live carrier rather than the range.
- MobiFone
- G-Mobile
- Viettel
- Vietnamobile
- Vinaphone
- Indochina Telecom
- Reddi
Country codes
Nearby codes in East & South Asia
よくある質問
+84 questions
Sources: Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.
Which country uses +84?
+84 is the country code for Vietnam.
How do I call a +84 number from the US?
Dial 011, then 84, then the number without its leading 0. For example: 011 84 91 234 56 78.
How many digits is a Vietnam phone number?
Mobile numbers have 9 digits after +84; landlines have 10. A number with a different length is either mistyped or not genuine.
Which mobile networks use +84?
Number ranges under +84 are allocated to networks including MobiFone, G-Mobile, Viettel, Vietnamobile and Vinaphone. Numbers can be ported, so a lookup checks the current carrier rather than the original range.
Who is calling me from +84?
Enter the number in the lookup at the top of this page. The free check confirms whether it is valid and shows its carrier, line type and region; a full report adds owner and public-web records where they exist.
Got a call from +84?
Run the free check first — validity, carrier, line type and region — and unlock the full report only if you need it.