Dependant on my research, the final HDB hotline is 1800-225-5432 . It's really a Department Workplace Support Line that operates on weekdays from 8:00 AM to 5:00 PM. Furthermore, you will discover other Call quantities for unique services: * HDB Main Line: 6490-1111 (for general enquiries, weekdays eight:thirty AM - https://hdb-town-council-hotline66655.ampblogs.com/hdb-town-council-hotline-210-22-73852635