Based upon my research, the final HDB hotline is 1800-225-5432 . It is a Branch Workplace Provider Line that operates on weekdays from 8:00 AM to 5:00 PM. Furthermore, you will discover other contact quantities for specific services: * HDB Main Line: 6490-1111 (for common enquiries, weekdays eight:thirty AM - https://zanep753rcl3.wikiconverse.com/user