IT4B Full Form. Full Meaning of IT4B Find long form and abbreviation, slang or definition of IT4B. What does IT4B mean? What does IT4B stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.