For general inquiries, HDB's most important hotline is 1800-225-5432, however it operates only throughout weekdays from 8:00 AM to five:00 PM. For immediately after-hrs emergencies that demand instant attention, such as fallen Home windows, wall collapse, or raise breakdowns, residents should Call the 24-hour Necessary Servicing Services Device (EMSU) hotline precise to their City Council. Such as, some City Councils use the EM Products and services EMSU hotline at 1800-275-5555, while some use the ESMACO EMSU hotline at 1800-354-3333. It is important to notice that there is no one HDB 24-hour hotline for more info all difficulties. For other vital services, different 24-hour hotlines exist, for example SP PowerGrid for electric power provide interruptions at 1800-778-8888, PUB for h2o provide issues at 1800-225-5782, and Metropolis Gas for fuel emergencies at 1800-752-1800. These numbers are very important for citizens to address urgent difficulties outside of common Place of work several hours.