According to my search, the overall HDB hotline is 1800-225-5432 . It is just a Department Office Services Line that operates on weekdays from 8:00 AM to 5:00 PM. Moreover, you will discover other contact numbers for specific solutions: * HDB Principal Line: 6490-1111 (for standard enquiries, weekdays 8:30 AM https://hdbtowncouncilhotline210211100.activosblog.com/35965281/hdb-town-council-hotline-210-22