Viettel Customer Service Phone Number

Phone Number of Viettel is +84 4 6266 3211 .
Viettel is a Mobile phone operator in Vietnam and is also the largest mobile phone operator company in the country. It was the fourth operator in Vietnam controlled by country's Ministry of Defence. The company came into existence in the year 2004. The company offers various digital services such as video call, 3G services, online music, mobile broadband 3G, TV mobile, video-on-demand etc. The company had plans for the development of various digital products like smartphones, Smart televisions, featured phones and started production of mobile phones in the year 2012 and end the contract with Huawei,a leading mobile phone manufacturing company which had produced many Viettel phones in the past. The company has several subsidiaries of theirs like Vietnam Distribution, Viettel Football Training Center etc.

Services Render By Viettel

Viettel is a leading telecommunication company that render following services to customers:
  • Viettel offers mobile services to millions of subscribers under various plans and packages.
  • The telecom company also allows customers to use pocket internet services. The company provide internet services under different speeds that consists of 2G and 3G speed.
  • Viettel also provide video calling services over the internet, the company also allows customers to organize video conferences.
  • The telecom company also offers mobile TV to customers and also allows subscribers to watch videos on demand.
  • Viettel also deliver broad band services to both residential and commercial customers. The services is available under various plans that suits the needs of every individual.

Customer Contacts Of Viettel

Viettel is committed to provide all the customer support through established channels. The company has setup various ways and means to facilitate customers. The customer executive are always there to listen and assist. To connect with the customer support of Viettel do use below mentioned contacts:
Mailing address: No 1 – Giang Van Minh, Ba Dinh Hanoi, Vietnam.
Telephone Number: +84 4 6266 3211
FAX: 84 4 6273 1470

Customer Support Services Of Viettel

Viettel strives hard to facilitate customers both through offline and online means. The company has strong online support, that allows customers to connect and collect all the needed information. The online support also allows customers to ask related questions and queries. To avail online support of Viettel do visit the link:

Viettel Address

The address of Viettel is No 1 – Giang Van Minh, Ba Dinh Hanoi, Vietnam Fax : 84 4 6273 1470.

Viettel Website

The Website of Viettel is

Viettel Customer Support Service Phone Number

The customer support phone number of Viettel is +84 4 6266 3211 (Click phone number to call).


The postal and official address, email address and phone number (helpline) of Viettel Service Center and Viettel customer service phone number is given below. The helpline of Viettel customer service phone number may or may not be toll free.

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Viettel Customer Service Number Delineated Here With Complaints and Reviews

Customer care male
Mr. Manish Lal CallsAug 22, 2017

Dear sir i have Viettel SIM 4g, purchased on 19th August i am not able to use internet and do calls. My mobile number is +8401658762187.

Customer care male
Mr. Nachshon Lahav CallsSep 17, 2018

Mr. Nachshon Lahav On Phone To Viettel Service
I charge my phone with 170000vnd, than I try to buy mimax 125, but I made a mistake and cancel
Now you took my money and I do not have internet
How can I get my money back?
My mobile number 01656669881.

Customer care male
Mr. Giovanni Lee CallsAug 27, 2016

Mr. Giovanni Lee On Phone To Viettel Service
Dear sir:
my SIM car shown no registered, phone number is 01639284053, could you check what's wrong with this nnumber, and how to fix the problem?.

Customer care male
Mr. Aniesh CallsMay 28, 2015

Mr. Aniesh On Phone To Viettel Service
MY device is not got unlocked. Kindly unlock my device C9JH2F7FDTD2.

Customer care male
Mr. Joe CallsFeb 01, 2015

Mr. Joe On Phone To Viettel Service
My phone is locked and I can not call anyone.

Customer care male
Mr. Jake CallsJan 14, 2015

He hangs the phone up twice. Viettel is very bad. I put 100, 000 VND on my account yesterday and it's gone already and I haven't even used my phone.

Customer care user complaints