Ustechsupport 91101 ✦ Updated

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."

Navigating the Tech Maze: Why Your “US Tech Support 91101” Search Might Be a Red Flag (And Where to Find Real Help) ustechsupport 91101

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. If a pop-up on a website tells you

The page runs a simple JavaScript that scans your local storage. It does not scan your hard drive. It simply looks for common file names (like "Desktop" or "Documents") and claims they are corrupted. It will show you a BSOD (Blue Screen of Death) image saved as a .PNG file—not a real system error. First, a geography lesson

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.

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.

Here is what is actually happening behind the scenes: