First announced in 2016, under the Ministry of Information and Communication’s (MIC) Decision No. 2036/QD-BTTT, gradual implementation of these changes come as part of a concerted effort by Vietnamese authorities to enhance cohesion with global best practices set out by the International Telecommunications Union.
The full list of area code adjustments to be implemented in Vietnam
Under the MIC’s Decision, a full list of areas to be impacted by adjustments has been released. Please see below for the final stage by state timetable covering all of these jurisdictions: