Ustechsupport: 91101
The "91101" in the search term is a honeypot. It is designed to catch people who are trying to do the right thing—verify a company's location. But legitimate IT firms do not advertise through browser lockers.
Real operating systems (Windows 10/11 and macOS) display a phone number to call for support in a pop-up window. Never. Microsoft will send you a notification via the Action Center. Apple will show a notification in System Settings. They will never flash a red screen with a toll-free number. ustechsupport 91101
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. The Anatomy of the "91101" Tech Support Scam Let’s assume you are currently staring at a flashing red screen that says "System Alert: Virus Detected. Call US Tech Support in Pasadena, CA (91101) immediately." The "91101" in the search term is a honeypot
Let’s talk about what “91101” actually means, why scammers love it, and how to find legitimate tech support in the digital age. First, a geography lesson. 91101 is a prestigious ZIP code in Pasadena, California. It covers the Civic Center, Old Pasadena, and the Del Mar Station area. It is home to Caltech, the Jet Propulsion Lab (JPL), and a thriving ecosystem of legitimate startups and IT consulting firms. Real operating systems (Windows 10/11 and macOS) display
You visit a compromised website or click a malicious ad. The site runs a script that locks your browser into full-screen mode (F11). A looping audio file tells you not to shut down your computer.
If you have recently typed “USTechSupport 91101” into your search bar, you are likely in one of two situations. Either you are a business owner in the Playhouse District of Pasadena looking for a legitimate on-site hard drive recovery, or—more likely—you have a terrifying pop-up on your computer screen claiming your IP address has been compromised and demanding you call a toll-free number immediately.
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.