VN
Vietnam Phone Number Format
Country code +84 — Complete guide to Vietnam phone number formats, mobile and landline structures, and area codes.
How Vietnam Phone Numbers Are Written
Phone numbers in Vietnam have 9 digits for mobiles and 10 for landlines after the country code +84.
Inside Vietnam a number is written with a leading 0, which makes 10 digits:
091X XXX XXX.
Drop that 0 when you call from abroad or save the number in international format:
+84 91X XXX XXX.
| Country code | +84 |
|---|---|
| Digits after +84 | 9 digits for mobiles and 10 for landlines |
| Trunk prefix (domestic calls) | 0, dropped after +84 |
| Mobile numbers start with | 01, 03, 05, 07, 08 or 09 |
| Exit code (to call abroad from Vietnam) | 00 |
| Dial from the US | 011 84 91X XXX XXX |
Mobile vs. Landline Numbers
9 digits after +84, starting with 01, 03, 05, 07, 08 or 09.
091X XXX XXX at home+84 91X XXX XXX international10 digits after +84. Landlines begin with an area code, for example Phu Tho province:
0210 XXXX XXX at home+84 210 XXXX XXX internationalVietnam Number Types
| Type | Starts with | Written at home | International | From the US |
|---|---|---|---|---|
| Mobile | 01, 03, 05, 07, 08 or 09 | 091X XXX XXX |
+84 91X XXX XXX |
011 84 91X XXX XXX |
| Landline | 02 | 0210 XXXX XXX |
+84 210 XXXX XXX |
011 84 210 XXXX XXX |
| Toll-free | 12 or 18 | 1800 XXXXXX |
+84 1800 XXXXXX |
011 84 1800 XXXXXX |
| Premium rate | 19 | 1900 XXXXXX |
+84 1900 XXXXXX |
011 84 1900 XXXXXX |
| VoIP | — | 067 XXX XX XX |
+84 67 XXX XX XX |
011 84 67 XXX XX XX |
| Company number (UAN) | — | 01XX XXXX |
+84 1XXXXXX |
011 84 1XXXXXX |
X stands for any digit. Source: libphonenumber metadata (phonenumbers 9.0.40), Google's open numbering data.
Checking a number from Vietnam? The phone number checker tells you if it is valid, mobile or landline, and gives its international format.
Vietnam Area Codes
Major area codes in Vietnam:
| Area Code | City / Region |
|---|---|
76 |
An Giang |
64 |
Ba Ria |
240 |
Bac Giang |
281 |
Bac Kan |
781 |
Bac Lieu |
241 |
Bac Ninh |
62 |
Ben Tre |
56 |
Binh Dinh |
65 |
Binh Duong |
651 |
Binh Phuoc |
62 |
Binh Thuan |
780 |
Ca Mau |
71 |
Can Tho |
26 |
Cao Bang |
70 |
Cuu Long |
51 |
Da Nang |
50 |
Dak Lak |
61 |
Dong Nai |
67 |
Dong Thap |
59 |
Gia Lai |
19 |
Ha Giang |
351 |
Ha Nam |
34 |
Ha Tay |
39 |
Ha Tinh |
320 |
Hai Duong |
31 |
Hai Phong |
4 |
Hanoi |
4 |
Hanoi City |
8 |
Ho Chi Minh City |
8 |
Ho Chi Minh City City |
18 |
Hoa Binh |
321 |
Hung Yen |
58 |
Khanh Hoa |
77 |
Kien Giang |
60 |
Kon Tum |
23 |
Lai Chau |
25 |
Lang Son |
20 |
Lao Cai |
72 |
Long An |
76 |
Long Xuyen |
78 |
Minh Hai |
350 |
Nam Dinh |
38 |
Nghe An |
68 |
Nin Thuan |
30 |
Ninh Binh |
210 |
Phu Tho |
57 |
Phu Yen |
52 |
Quang Binh |
510 |
Quang Nam |
55 |
Quang Ngai |
Dialing Tips
- Remove the leading 0: When dialing internationally, drop the trunk prefix (0) that is used for domestic calls in Vietnam.
-
Use the + notation: From a US mobile phone, use
+84instead of011 84. - Verify the number length: Numbers in Vietnam have 9 digits for mobiles and 10 for landlines after +84. If your call does not connect, check that no digit is missing or doubled.
-
Save contacts in international format: Always store phone numbers with the full
+84prefix so they work from any country.
Vietnam Phone Number FAQ
How many digits does a phone number in Vietnam have?
Phone numbers in Vietnam have 9 digits for mobiles and 10 for landlines after the country code +84. Written for domestic calls with the leading 0, a mobile number has 10 digits.
What do mobile numbers in Vietnam start with?
Mobile numbers in Vietnam start with 01, 03, 05, 07, 08 or 09 when written for domestic calls. In international format the leading 0 is dropped: +84 91X XXX XXX.
How do I write a phone number from Vietnam in international format?
Start with +84, then the national number without the leading 0. For example, a mobile number written 091X XXX XXX at home becomes +84 91X XXX XXX. From a US landline, dial 011 84 91X XXX XXX.
What is the toll-free prefix in Vietnam?
Toll-free numbers in Vietnam start with 12 or 18, for example 1800 XXXXXX. Many toll-free numbers can't be reached from abroad.
How do I call the US from Vietnam?
Dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX. From a mobile phone you can use + instead of 00: +1 XXX XXX XXXX.