Based upon my search, the overall HDB hotline is 1800-225-5432 . It's really a Department Place of work Company Line that operates on weekdays from 8:00 AM to 5:00 PM.Furthermore, there are actually other Get in touch with figures for distinct products and services:* HDB Main Line: 6490-1111 (for common enquiries, weekdays 8:30 AM - 5:00 PM)* I