Based on my look for, the general HDB hotline is 1800-225-5432 . It's a Branch Business office Company Line that operates on weekdays from eight:00 AM to five:00 PM. Additionally, you will find other Make contact with figures for certain companies: * HDB Major Line: 6490-1111 (for standard enquiries, weekdays https://hdb-town-council-hotline78877.suomiblog.com/hdb-town-council-hotline-210-22-52833151