Depending on my lookup, the overall HDB hotline is 1800-225-5432 . It's really a Department Business Services Line that operates on weekdays from eight:00 AM to five:00 PM.Also, there are actually other contact quantities for precise expert services:* HDB Key Line: 6490-1111 (for standard enquiries, weekdays 8:thirty AM - 5:00 PM)* Essential Se