Based on my look for, the final HDB hotline is 1800-225-5432 . It's really a Department Office Services Line that operates on weekdays from 8:00 AM to 5:00 PM. In addition, you'll find other Speak to figures for certain providers: * HDB Major Line: 6490-1111 (for standard enquiries, weekdays 8:30 https://hdb-transfer-of-ownership78776.blognody.com/41638249/hdb-town-council-hotline-210-22