The plan is divided into three phases:
Phase 1: The change of new area codes is applied for 13 provinces: starts from 00:00 2017-02-11
Phase 2: The change of new area codes is applied for 23 provinces: starts from 00:00 2017-04-15
Phase 3:The change of new area codes is applied for 23 provinces: starts from 00:00 2017-06-17
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I- Phase 1 (The change of new area codes is applied for 13 provinces)
- Time and date of change: 00:00 2017-02-11
- Time and date of parallel running: Begins 00:00 2017-02-11; Ends 23:59 2017-03-12
- Time and date of announcement: Begins 00:00 2017-03-13; Ends 23:59 2017-04-14
- End of announcement: Calls successfully implemented only when users dial the new area codes.
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|
|
No
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Provinces
|
Old area codes
|
|
New area codes
|
|
|
1
|
Son La
|
22
|
-->
|
212
|
|
|
2
|
Lai Chau
|
231
|
-->
|
213
|
|
|
3
|
Lao Cai
|
20
|
-->
|
214
|
|
|
4
|
Dien Bien
|
230
|
-->
|
215
|
|
|
5
|
Yen Bai
|
29
|
-->
|
216
|
|
|
6
|
Quang Binh
|
52
|
-->
|
232
|
|
|
7
|
Quang Tri
|
53
|
-->
|
233
|
|
|
8
|
Thua Thien - Hue
|
54
|
-->
|
234
|
|
|
9
|
Quang Nam
|
510
|
-->
|
235
|
|
|
10
|
Đa Nang
|
511
|
-->
|
236
|
|
|
11
|
Thanh Hoa
|
37
|
-->
|
237
|
|
|
12
|
Nghe An
|
38
|
-->
|
238
|
|
|
13
|
Ha Tinh
|
39
|
-->
|
239
|
|
|
II- Phase 2 (The change of new area codes is applied for 23 provinces)
- Time and date of change: 00:00 2017-04-15
- Time and date of parallel running: Begins 00:00 2017-04-15; Ends 23:59 2017-05-14
- Time and date of announcement: Begins 00:00 2017-05-15; Ends 23:59 2017-06-16
- End of announcement: Calls successfully implemented only when users dial the new area codes.
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|
|
No
|
Provinces
|
Old area codes
|
|
New area codes
|
|
|
1
|
Quang Ninh
|
33
|
-->
|
203
|
|
|
2
|
Bac Giang
|
240
|
-->
|
204
|
|
|
3
|
Lang Son
|
25
|
-->
|
205
|
|
|
4
|
Cao Bang
|
26
|
-->
|
206
|
|
|
5
|
Tuyen Quang
|
27
|
-->
|
207
|
|
|
6
|
Thai Nguyen
|
280
|
-->
|
208
|
|
|
7
|
Bac Can
|
281
|
-->
|
209
|
|
|
8
|
Hai Duong
|
320
|
-->
|
220
|
|
|
9
|
Hung Yen
|
321
|
-->
|
221
|
|
|
10
|
Bac Ninh
|
241
|
-->
|
222
|
|
|
11
|
Hai Phong
|
31
|
-->
|
225
|
|
|
12
|
Ha Nam
|
351
|
-->
|
226
|
|
|
13
|
Thai Binh
|
36
|
-->
|
227
|
|
|
14
|
Nam Đinh
|
350
|
-->
|
228
|
|
|
15
|
Ninh Binh
|
30
|
-->
|
229
|
|
|
16
|
Ca Mau
|
780
|
-->
|
290
|
|
|
17
|
Bac Lieu
|
781
|
-->
|
291
|
|
|
18
|
Can Tho
|
710
|
-->
|
292
|
|
|
19
|
Hau Giang
|
711
|
-->
|
293
|
|
|
20
|
Tra Vinh
|
74
|
-->
|
294
|
|
|
21
|
An Giang
|
76
|
-->
|
296
|
|
|
22
|
Kien Giang
|
77
|
-->
|
297
|
|
|
23
|
Soc Trang
|
79
|
-->
|
299
|
|
|
II- Phase 3 (The change of new area codes is applied for 23 provinces)
- Time and date of change: 00:00 2017-06-17
- Time and date of parallel running: Begins 00:00 2017-06-17; Ends 23:59 2017-07-16
- Time and date of announcement: Begins 00:00 2017-07-17; Ends 23:59 2017-08-31
- End of announcement: Calls successfully implemented only when users dial the new area codes.
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|
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No
|
Provinces
|
Old area codes
|
|
New area codes
|
|
1
|
Ha Noi
|
4
|
-->
|
24
|
|
2
|
Ho Chi Minh
|
8
|
-->
|
28
|
|
3
|
Dong Nai
|
61
|
-->
|
251
|
|
4
|
Binh Thuan
|
62
|
-->
|
252
|
|
5
|
Ba Ria - Vung Tau
|
64
|
-->
|
254
|
|
6
|
Quang Ngai
|
55
|
-->
|
255
|
|
7
|
Binh Dinh
|
56
|
-->
|
256
|
|
8
|
Phu Yen
|
57
|
-->
|
257
|
|
9
|
Khanh Hoa
|
58
|
-->
|
258
|
|
10
|
Ninh Thuan
|
68
|
-->
|
259
|
|
11
|
Kon Tum
|
60
|
-->
|
260
|
|
12
|
Dak Nong
|
501
|
-->
|
261
|
|
13
|
Dak Lak
|
500
|
-->
|
262
|
|
14
|
Lam Dong
|
63
|
-->
|
263
|
|
15
|
Gia Lai
|
59
|
-->
|
269
|
|
16
|
Vinh Long
|
70
|
-->
|
270
|
|
17
|
Binh Phuoc
|
651
|
-->
|
271
|
|
18
|
Long An
|
72
|
-->
|
272
|
|
19
|
Tien Giang
|
73
|
-->
|
273
|
|
20
|
Binh Duong
|
650
|
-->
|
274
|
|
21
|
Ben Tre
|
75
|
-->
|
275
|
|
22
|
Tay Ninh
|
66
|
-->
|
276
|
|
23
|
Dong Thap
|
67
|
-->
|
277
|