Dependant on my look for, the general HDB hotline is 1800-225-5432 . It is a Branch Office Company Line that operates on weekdays from 8:00 AM to 5:00 PM.Also, you can find other Get in touch with figures for precise solutions:* HDB Key Line: 6490-1111 (for general enquiries, weekdays 8:thirty AM - five:00 PM)* Essential Upkeep Support Unit (EM