Telephone numbers in Vietnam

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Vietnam telephone numbers
Location Vietnam ASEAN.svg
Location
Country Vietnam
Continent Asia
Regulator MIC
Type Open
NSN length 9 to 10
Access codes
Country calling code +84
International call prefix 00
Trunk prefix 0

Land lines

Land line phone numbers in Vietnam follow the format Area Code + Phone Number. The area codes depend on the province and/or city.

To dial a number within the same province or city, only the phone number needs to be dialed.

When dialing from a different province/city, follow the format 0 + Area Code + Phone Number.

At the moment, area codes may have from 2 to 3 digits, while phone numbers may have from 7 to 8 digits, in total, the land line phone numbers in Vietnam have 11 numbers included trunk code (0).

The different area codes are described below.

Area codes

20x 21x 22x 23x 24x 25x 26x 27x 28x 29x
200
210
Phú Thọ
220
Hải Dương
230
240
250
260
Kon Tum
270
Vĩnh Long
280
290
Cà Mau
201
211
Vĩnh Phúc
221
Hưng Yên
231
241
251
Đồng Nai
261
Đăk Nông
271
Bình Phước
281
291
Bạc Liêu
202
212
Sơn La
222
Bắc Ninh
232
Quảng Bình
242
Hanoi
(Viettel landlines)
252
Bình Thuận
262
Đăk Lăk
272
Long An
282
Ho Chi Minh City
(Viettel landlines)
292
Cần Thơ
203
Quảng Ninh
213
Lai Châu
223
233
Quảng Trị
243
Hanoi
(VNPT landlines)
253
263
Lâm Đồng
273
Tiền Giang
283
Ho Chi Minh City
(VNPT landlines)
293
Hậu Giang
204
Bắc Giang
214
Lào Cai
224
234
Thừa Thiên - Huế
244
Hanoi
(VTC landlines)
254
Bà Rịa - Vũng Tàu
264
274
Bình Dương
284
Ho Chi Minh City
(VTC landlines)
294
Trà Vinh
205
Lạng Sơn
215
Điện Biên
225
Hải Phòng
235
Quảng Nam
245
Hanoi
(SPT landlines)
255
Quảng Ngãi
265
275
Bến Tre
285
Ho Chi Minh City
SPT landlines)
295
206
Cao Bằng
216
Yên Bái
226
Hà Nam
236
Đà Nẵng
246 (2)(3)(6)
Hanoi
(Viettel landlines)
256
Bình Định
266
276
Tây Ninh
286 (2)(3)(6)
Ho Chi Minh City
(Viettel landlines)
296
An Giang
207
Tuyên Quang
217
227
Thái Bình
237
Thanh Hóa
247 (1)
Hanoi
(CMC Telecom landlines)
247 (3)
Hanoi
(FPT Telecom landlines)
257
Phú Yên
267
277
Đồng Tháp
287 (1)
Ho Chi Minh City
(CMC Telecom landlines)
287 (3)
Ho Chi Minh City
(FPT Telecom landlines)
297
Kiên Giang
208
Thái Nguyên
218
Hòa Bình
228
Nam Định
238
Nghệ An
248
Hanoi
(VNPT landlines)
258
Khánh Hòa
268
278
288
298
209
Bắc Kạn
219
Hà Giang
229
Ninh Bình
239
Hà Tĩnh
249
259
Ninh Thuận
269
Gia Lai
279
289
299
Sóc Trăng

Area code 69

69 is the special area code dedicated for the Ministry of Defence (Vietnam) and the Ministry of Public Security (Vietnam).

Mobile telephone numbers [1] [2]

In Vietnam, mobile phone numbers follow the format 09x-xxxxxxx or new prefixes: 03x, 05x, 07x, 08x.

  • The first 0 is the trunk code.
  • The next 2 digits (3x, 5x, 7x, 8x or 9y) specify the mobile phone operator. Some mobile phone operators have been given more than one operator code.
3x 5x 6x 7x 8x 9y
70 - MobiFone 90 - MobiFone
81 - Vinaphone 91 - Vinaphone
32 - Viettel 52 - Vietnamobile 82 - Vinaphone 92 - Vietnamobile (previously HT Mobile)
33 - Viettel 83 - Vinaphone 93 - MobiFone
34 - Viettel 84 - Vinaphone 94 - Vinaphone
35 - Viettel 85 - Vinaphone
36 - Viettel 56 - Vietnamobile 76 - MobiFone 86 - Viettel 96 - Viettel (previously EVN Telecom)
37 - Viettel 672xxxxxx

(New VSAT prefix)

77 - MobiFone 97 - Viettel
38 - Viettel 58 - Vietnamobile 78 - MobiFone 88 - Vinaphone 98 - Viettel
39 - Viettel 59 - Gmobile 79 - MobiFone 89 - MobiFone 99 (3)(4)(5)(6)(7) - Gmobile (previously Beeline)
99 (8)(9) - Indochina Telecom


In Circular No. 22/2014/TT-BTTTT dated December 22, 2014, all 11-digit mobile phone numbers will be changed into 10-digit numbers, the Ministry of Information and Communications announced in a recent press release. All 11-digit numbers with prefixes ‘012' of VinaPhone and MobiFone, ‘016' of Viettel, ‘018' of Vietnamobile and ‘019' of GMobile will be converted into 10-digit ones. To minimize possible loss of communications before, during and after network code change, each stage must consist of four steps as follows:

  • Make public announcement at least 60 days before the network code change starts.
  • Take technical measures to enable simultaneous dialing for 60 days since the network code change starts. Example: users may dial old or new network code 0986888888 to Viettel.
  • Maintain the notification sound (since the time of simultaneous dialing closes). During this time, any call using new network codes shall be normally processed and any call using old network codes shall be routed to the notification sound.
  • Stop maintaining the notification sound: Calls shall be successful processed only through new network codes. To ensure changing of network codes is quick and favorable for businesses and service users, step a aforementioned should be implemented for one stage.

Emergency contact numbers

Used in major centers in Vietnam:

  • 112 - Search & Rescue
  • 113 – Police
  • 114 – Fire
  • 115 – Ambulance/First Aid

1900 number allocation

1900 01XX, 1900 02XX, 1900 03XX - GTEL

1900 06XXXX - GTEL

1900 12XX, 1900 15XX, 1900 17XX, 1900 18XX - VNPT

1900 20XX, 1900 21XX, 1900 22XX - CMC Telecom

1900 54XXXX, 1900 55XXXX, 1900 56XXXX, 1900 57XXXX, 1900 58XXXX, 1900 59XXXX - VNPT

1900 63XXXX - FPT Telecom

1900 66XX, 1900 68XX - FPT Telecom

1900 70XX, 1900 71XX, 1900 72XX - SPT

1900 75XXXX, 1900 77XXXX - SPT

1900 80XX, 1900 86XX, 1900 89XX - Viettel

1900 90XX, 1900 92XX, 1900 94XX - Viettel

1900 96XXXX - Viettel

Previous area codes not currently in use

  • 4Hanoi (discontinued)

References

  1. ^ "Bộ TT&TT công bố chi tiết đổi thuê bao 11 số thành 10 số của 5 nhà mạng từ ngày 15/9/2018".
  2. ^ "Chuyển đổi SIM 11 số sang 10 số: VinaPhone đầu 08, MobiFone 07, Viettel 03 từ 15/9".
  • ITU allocation data

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