The international dialing code of Vietnam is 84. To call to Vietnam from Yemen, for example if you call to Hanoi, you need to dial the following sequence of numbers: 00-84 - 4 - local phone number of the called party, where
00 is an international call prefix,
84 — the international dialing code of Vietnam,
4 — the dial code of Hanoi.
The area codes for other cities in Vietnam can be found below at the bottom of the page. Please, click this sign up link and get the possibility to to Hanoi from Yemen.
If you're already a UcallWeconn's customer, then calling to Vietnam is easier, because you do not need to dial an international prefix. Just dial a number in the international format.
For example, when calling through UcallWeconn to Hanoi dial:
+84 4 and the local number of called party,
when you call to Hanoi:
+84 4 and the local phone number.
If you have not become a customer of UcallWeconn, then it is a time to do so. Sign up on our website and start saving on international calls today. The registration will take 3-5 minutes.
Click the following link to know how much does it cost to call from Yemen to Vietnam using UcallWeconn cheap international calls product.
More details on calling from Yemen to Vietnam
Often you can see on the business cards the number in national or even local format. Take a close look at the business card. If you do not see a leading plus sign "+" then the number is in national format and the first digits of the number are the national dialing code. For example, in Vietnam the national dialling prefix is 0.
It can also happen, that the number on the business card is written in the mixed format, for example:
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A translation of this page into Russian: Дешевые звонки из Йемена в Вьетнам