Which district in Tianjin is 0228111?

This is a PHS number starting with 0228111 that belongs to Tianjin but does not belong to any district.

The "022" in the front should represent the area code, and the "8111" in the back is a 4-digit number. The landline number with 022 as the long-distance area code should be an 8-digit number, so this is not a landline number. It may be a telecom operator's special service number, an Internet phone number, or some other number-displaying device.

Tianjin, referred to as "Jin", also known as Jingu and Jinmen, is a provincial-level administrative region, municipality directly under the Central Government, national central city, megacity, international consumption center city, and Bohai Rim region of the People's Republic of China. Economic center, Asia-Pacific regional marine instrument testing and evaluation center, and international comprehensive transportation hub. As of 2018, the city has 16 districts under its jurisdiction, with a total area of ??11,966.45 square kilometers. At 0:00 on November 1, 2020, Tianjin’s permanent population was 13.866 million. In 2020, Tianjin achieved a regional GDP of 1.408373 billion yuan.

Tianjin is located in the North China region, in the northeastern part of the North China Plain, in the lower reaches of the Haihe River Basin, bordering the Bohai Sea to the east, Yanshan Mountain to the north, and the capital Beijing to the west. Tianjin is the largest port city in northern China, a national logistics hub, a national advanced manufacturing R&D base, a northern international shipping core area, a financial innovation operation demonstration area, a pioneering area for reform and opening up, and one of the first batch of coastal open cities.