Based upon my research, the final HDB hotline is 1800-225-5432 . It is a Branch Place of work Assistance Line that operates on weekdays from eight:00 AM to five:00 PM. Also, there are other Get in touch with numbers for particular providers: * HDB Principal Line: 6490-1111 (for basic enquiries, https://hdb-town-council-hotline88877.mdkblog.com/43119433/hdb-town-council-hotline-210-22