Based upon my look for, the general HDB hotline is 1800-225-5432 . It's a Branch Business office Assistance Line that operates on weekdays from eight:00 AM to five:00 PM. Also, there are other Get in touch with numbers for specific solutions: * HDB Primary Line: 6490-1111 (for common enquiries, weekdays https://hdb-town-council-hotline67777.mybloglicious.com/57137624/hdb-town-council-hotline-210-22