Based upon my research, the overall HDB hotline is 1800-225-5432 . It's a Department Business Assistance Line that operates on weekdays from 8:00 AM to five:00 PM. Moreover, you'll find other Speak to numbers for distinct solutions: * HDB Most important Line: 6490-1111 (for standard enquiries, weekdays eight:30 AM - https://hdb-town-council-hotline77665.develop-blog.com/44586900/hdb-town-council-hotline-210-22