Depending on my research, the final HDB hotline is 1800-225-5432 . It's really a Department Office Services Line that operates on weekdays from eight:00 AM to five:00 PM. Moreover, you will discover other Call figures for particular solutions: * HDB Most important Line: 6490-1111 (for normal enquiries, weekdays 8:30 AM https://garrettlbzdm.blazingblog.com/37115333/hdb-town-council-hotline-210-22