Determined by my lookup, the overall HDB hotline is 1800-225-5432 . It is just a Department Business Service 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 standard enquiries, weekdays https://hdbtowncouncilhotline210211009.get-blogging.com/37706683/hdb-town-council-hotline-210-22