Vietnam Toll Free Numbers

Customers in Vietnam Can Call You Toll Free Anywhere in the World


Establish a Local Presence in Vietnam


Answer Calls Anywhere in the World


Get Access to 20+ Essential Phone Features


30 Day Service Guarantee

International Toll Free Numbers for Vietnam

Vietnam Toll Free Numbers start with 120 11 3 followed by two digits. The International Toll Free Service (ITFS) format is:

  • 120 11 3XX

A Vietnam toll free number might be the ideal means for increasing your business in Vietnam. Toll free numbers are free for new and existing customers to call and can be diverted to any landline, cell phone or IP address. By utilizing a toll free number your business can establish a presence in Vietnam without going to the expense of opening and staffing an office in the country.

Who Can Call My Vietnamese Toll Free Number? - Accessibility


Vietnam toll free numbers are accessible from all the Mobifone and Vinaphone mobile networks. International toll free service is not available from payphones.

Local DID Numbers Available in Vietnamese Cities

Local virtual numbers (DID or DDI Numbers) are available in these cities in Vietnam

No cities with local number availability found.
We add new cities regularly - Please contact an AVOXI representative for the latest list.

What Kind of Number Do You Need?

ITFS, UIFN and DID Numbers are different ways for people in Vietnam to call you. Which one is best for you?

International Toll Free Number types available in Vietnam

Calling and Doing Business in Vietnam

The official language is Vietnamese and Vietnam uses the Vietnamese Dong as its official currency. The most common date format is dd/mm/yyyy. There are significant business centers in the large cities including Ho Chi Minh City, Hanoi, Haiphong, Danang, Bien Hoa. Vietnam toll free numbers are international toll free phone numbers (ITFS) that your customers can call you on at no cost to them. Calls to your toll free number forward to any mobile number or land line of your choosing, so your Vietnamese customers can reach you wherever you are. The population of Vietnam is 87.8 million. The calling code for Vietnam UTC/GMT +7 hours. On your business trip to Vietnam take note that you’ll be driving on the right.


Vietnam’s economy has large sectors devoted to food processing, textiles and electronics as well as industrial agriculture, particularly tobacco and fisheries. The largest city is Ho Chi Minh City. Vietnam is bordered by Laos, China and Cambodia. The capital of Vietnam is Hanoi located at 15.4549° N, 106.5760° E. The Vietnamese climate tends to vary considerably from place to place; Dry winters; seasonal variations in the mountains and plateaus. Vietnam is located in the southern & eastern hemispheres and is officially named the Socialist Republic of Vietnam.

AVOXI Provides International Toll Free Numbers (ITFS) in Countries All Over The World

ITFS Country Map
Call Center Guide

Download the Call Center Guide


Free Demo

Request a Free Demo

Request Demo

Free Quote

Get a Free Quote Today

Get a Quote

Bundled Calling Plans

Toll Free Calling Plans

Get Pricing