Vietnam Immigration Department will open and solve problems related to entrance and exit visa procedures for guests in all the weekdays (working days) except Saturday, Sunday and traditional holidays. Mark your calendars and just be well prepared!
Opening hours for guests:
Morning: from 8 a.m to 11.30 a.m
Afternoon: from 1.30 p.m to 4 p.m
Please see the following Vietnam Immigration Department’s details for direct contacting
Vietnam Immigration Department (A18)
Address: 40A Hang Bai Str., Hanoi, Vietnam
Tel: 844-38257941
Notes:
In case that you have urgent requests related to entrance and exit visa procedures out of opening hours, please contact directly staffs in charge.
Have a good time in Vietnam!
Source: http://cheapvietnamvisa.net