Thirteen cities and provinces nationwide are slated to have their area codes for landline numbers changed to a three-digit number from February 11.
According to the Ministry of Information and Communication, most of the digital repository is used for fixed-line phones, and only a few for mobile phones – whose subscribers account for 95 percent of total telephone subscribers in Vietnam.
The separation and merging of cities and provinces made fixed-line area codes inconsistently long.
The ministry has promulgated Circular No.22, which took effect from March 1, 2015, on digital repository planning, including the change of landline phone area codes in 59 out of 63 localities across the country.
The plan is divided into three phases, with the first phase starting from February 11, 2017, for 13 cities and provinces, namely Son La, Lai Chau, Lao Cai, Dien Bien, Yen Bai, Quang Binh, Quang Tri, Thua Thien – Hue, Quang Nam, Da Nang, Thanh Hoa, Nghe An, and Ha Tinh.
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