Depending on my search, the general HDB hotline is 1800-225-5432 . This is a Branch Business office Assistance Line that operates on weekdays from eight:00 AM to five:00 PM. Also, there are actually other contact numbers for specific services: * HDB Main Line: 6490-1111 (for common enquiries, weekdays eight:thirty AM https://hdb-town-council-hotline55544.myparisblog.com/37789930/hdb-town-council-hotline-210-22