Based on my research, the overall HDB hotline is 1800-225-5432 . It's really a Department Office Services Line that operates on weekdays from 8:00 AM to five:00 PM. Additionally, you will find other Make contact with figures for certain providers: * HDB Principal Line: 6490-1111 (for basic enquiries, weekdays 8:30 https://hdb-town-council-hotline67765.blog4youth.com/37793343/hdb-town-council-hotline-210-22