Based upon my lookup, the overall HDB hotline is 1800-225-5432 . It is just a Department Office environment Service Line that operates on weekdays from 8:00 AM to five:00 PM. Additionally, you'll find other Speak to figures for distinct companies: * HDB Key Line: 6490-1111 (for normal enquiries, weekdays eight:30 https://angelinaa197coz8.gigswiki.com/user