Schedule for changing to new area codes of fixed phones in Viet Nam

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

 

 

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.
No	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.
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.
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