0400 is the area code of which country

0084 is the international dial code for Vietnam. **The number starting with 0084 is generally called from Vietnam, but it is not 100% certain, and it may be that the telecom operator's special service number, network**, mobile phone number can even set its own display number device.

Dialing example: from China's fixed ** or mobile phone to Vietnam's A ** order is "0084-A area code - A local number", do not dial the "-" symbol when actually dialing, and dial all the digits continuously.

Location Realm. Vietnam is located in the eastern part of the Indochina Peninsula, bordering China's Guangxi and Yunnan in the north, and the land border between China and Vietnam is 1,347 kilometers long. It borders Laos and Cambodia in the west; It is bordered by the South China Sea to the east and southeast. The land area is 10,000 square kilometers.

Vietnam belongs to the East 7 time zone. The capital Hanoi time is 1 hour behind Beijing time.

The regions with 0085 area codes are: North Korea, 00850, Hong Kong, 00852, Macau, 00853，CambodiaLaos

Chinese mainland international area code 86.

00+ countries or regions** when using domestic long distance**.

City** + other party's number, or 00+ country or region** + other party's mobile phone number.

International calls** initially required to be wired through an operator. Since the invention of International Direct Dialing (IDD) in the 1970s, international calls** have been made without going through an operator. In the beginning, the cost of international calls was very expensive, but now due to the increasing technology, the cost is decreasing.

After the 2000s, the popularity of software for voice calls and message transmission over the Internet has greatly increased the usage rate due to the savings in the cost of international calls**, threatening the traditional international calls** market.

Important changes. On May 18, 2001, Hainan Province uniformly used the 898 area code.

On September 16, 2006, Xi'an and Xianyang in Shaanxi Province uniformly used the 29 area code.

On June 28, 2009, Haoshi, Changsha, Zhuzhou and Xiangtan in Hunan Province unified the use of 731 area code.

On January 31, 2010, Chengdu, Ziyang and Meishan in Sichuan Province unified the use of 28 area codes.

August 28, 2011, Shenyang, Liaoning Province.

Fushun and Tieling use the 24 area code uniformly.

On December 8, 2012, Hefei City, Anhui Province, uniformly used the 551 area code within its administrative area.

On October 26, 2013, Zhengzhou and Kaifeng in Henan Province unified the use of 371 area code.

May 24, 2014, Benxi City, Liaoning Province.

Use the 24 area code of Shenyang within its administrative area.

On December 20, 2014, Guiyang, Zunyi and Anshun in Guizhou Province uniformly used the 851 area code.

The above content refers to Encyclopedia - Area Code.

00354 is the area code for Iceland.

Iceland is located in Europe, the English name is iceland, the international ** area code is 00354, usually we write it as ) Of course, the 0 in front of the Iceland international area code can be ignored, and the area code is also written ).

Introduction to Iceland

The Republic of Iceland (Icelandic: L Veldi Ísland), abbreviated as Iceland, is an island nation in the North Atlantic Ocean. Located in the middle of the North Atlantic, near the Arctic Circle, the second largest island in Europe.

The coastline is about 4,970 kilometers long. It has a cold temperate oceanic climate, and the climate is relatively mild under the influence of the Gulf of Mexico Current.

It is close to the Arctic Circle, and the sunshine hours in summer are close to the polar day, and the winter climate is cold, and the wind and snow are fierce. There are many volcanoes and geothermal fountains, and the area is only 10,000 square kilometers. Iceland is divided into 21 municipalities and 203 electoral districts.

According to the constituency, there are 6** districts, which are the Northwest, Northeast, South, Southwest, Reykjavík South and North districts, and the capital is Reykjavík.

As of January 2022, Iceland has a population of 10,000. According to the Book of Colonization, the history of European settlers can be traced back to 874 AD, with the Viking Inge Arnason and his party being the first permanent settlers in Iceland, while other earlier settlers spent the winter in Iceland. In the following centuries, the Strythic Pecandinavians settled in Iceland, bringing with them Gaelic slaves.