12319 is the urban construction service hotline, a dedicated telephone number for public welfare services in the national construction industry determined by the Ministry of Construction and the Ministry of Information Industry.

Many cities have officially put the 12319 hotline into operation, focusing on solving urban management problems including urban municipal administration, public utilities, city appearance, etc., as well as municipal public services and emergency rescue including water supply, gas supply, heat supply, drainage, etc.

Emergency repair issues.

Extended information: The main business of the 12319 hotline is: 1. Water affairs include: complaints, consultations, suggestions and repair reports in flood control, rivers, drainage, water supply, etc.

2. Transportation includes: complaints, consultations and suggestions on public transportation, taxis, rail transportation, land management (long-distance passenger transportation, cargo transportation, freight forwarding, freight rental, parking lots and motor vehicle driver training), etc.

And report for repair.

3. Real estate includes: construction land, collective land, real estate development, real estate valuation, real estate surveying and mapping, real estate brokerage, real estate ownership registration, commercial housing pre-sales, existing housing sales, housing rental market, public housing rental management, low-rent poverty alleviation, and housing maintenance

, community management, property committee work, maintenance funds, etc.

4. Municipal affairs include: complaints, consultations, suggestions and repair reports on highways, municipal roads, urban roads, bridges and their ancillary facilities, underground passages, surface roads, elevated roads, road pipeline construction, municipal construction sites and the gas industry, etc.

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5. City appearance and environmental sanitation include: city appearance and environmental sanitation work, urban management law enforcement and supervision work, domestic waste and specific pollutants, motor vehicle cleaning and cleaning, city appearance and environmental sanitation supporting facilities, water areas and specific areas related to city appearance and environmental sanitation, landscape lighting,

Complaints, suggestions, consultations and repair reports on outdoor advertising and other aspects.