What city is 05 19?

05 19 is the area code of Changzhou City, Jiangsu Province.

05 19 is the area code of Changzhou, a prefecture-level city under the jurisdiction of Jiangsu Province, located in the south of Jiangsu Province, in the center of the "Golden Triangle" in the lower reaches of the Yangtze River, bordering the Yangtze River in the north, Taihu Lake in the east, Maoshan Mountain in the west and Tianmu Mountain in the south. East, west, north and south are adjacent to Wuxi, Suzhou and Shanghai, Zhenjiang and Nanjing, Yixing and Changxing, Jingjiang and Jiangyin respectively. The total land area is 4375 square kilometers.

Changzhou is an ancient cultural city with a history of more than 3,200 years. Area code 05 19 is the symbol of Changzhou area, the only telephone area code in this area, and one of the symbols that distinguish it from other areas. By dialing the telephone number with area code, you can locate the specific area more accurately and facilitate better contact and communication.

The role of area code:

1, the area code is a part of the telephone number, which is used to identify the geographical area or specific telephone exchange to which the telephone number belongs. Is a telephone coding system, which is used to help call routing and positioning in the telephone network.

2. In the process of telephone dialing, the importance of area code is mainly reflected in its identification and positioning functions. By inputting the correct area code, users can quickly and accurately find the telephone number of the target area, thus achieving the purpose of talking. The setting of area code not only facilitates users to make long-distance calls, but also provides convenient management means for telephone network operators.

3. Area code is also the basis of number allocation and management. Through the area code, the call in the telephone network can be accurately routed to the corresponding area or switch, and then the call can be delivered to the terminal corresponding to the target telephone number. This process is helpful to improve the efficiency and accuracy of telephone communication and is an indispensable part of modern communication network.

Reference to the above content: Baidu Encyclopedia-Changzhou City