Stay skeptical, Pasadena. And never give a stranger the keys to your castle. Have you encountered a "91101" tech support scam? Share your story in the comments below.
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.
You call the number. The "technician" (who is actually sitting in a boiler room call center in Delhi or Kolkata) asks for your ZIP code to "verify your service region." You say 91101. They say, "Ah, yes, we have a service center in Pasadena. We are certified by Microsoft." This is a lie. They have a PO Box or a virtual office rented in 91101, if they have anything at all. 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."
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. Stay skeptical, Pasadena
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.
Navigating the Tech Maze: Why Your “US Tech Support 91101” Search Might Be a Red Flag (And Where to Find Real Help) Share your story in the comments below
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.