If a pop-up on a website tells you to call "US Tech Support" at 1-888-XXX-XXXX because your "Windows license has expired," there is a 99.9% chance it is a scam.
Do a quick mental check: Did you call a tech support number because your computer actually broke down physically (spilled coffee on it, won't turn on)? Or did you call because a website told you something was wrong? ustechsupport 91101
However, in the lexicon of online tech support scams, "91101" is used as a psychological trick. Scammers attach real, valid ZIP codes to fake company names like "US Tech Support" to create a veneer of legitimacy. They hope you will Google the number, see that 91101 is a real place in America, and let your guard down. If a pop-up on a website tells you