Understanding Unknown Callers and Staying Safe
Receiving calls from hidden numbers can be both confusing and concerning. While some private calls serve legitimate purposes, many are used by scammers. Here’s your complete guide to handling these calls in Kenya.
What Are Private Number Calls?
- Definition: Calls where the caller intentionally hides their phone number
- Displayed as: “Private Number,” “Unknown,” or “No Caller ID”
How Callers Hide Their Numbers
- Dialing #31# before your number
- Enabling caller ID blocking in phone settings
- Using corporate call center systems that mask numbers
Why People Call Privately: Legit vs. Suspicious Reasons
Legitimate Uses
- Bank security verifications
- Customer service follow-ups
- Government agency communications
- Market research surveys
Scam & Fraud Indicators
- Requests for M-PESA PINs or passwords
- Threats about unpaid taxes (KRA scams)
- Fake lottery/smartphone winnings
- x Urgent SIM card registration alerts
How to Block Private Calls
Android Devices
- Open Phone app
- Tap ⋮ → Settings → Blocked Numbers
- Enable “Block calls from private numbers”
iPhone Users
- Go to Settings → Phone
- Turn on “Silence Unknown Callers”
(Sends unknown calls straight to voicemail)
Best Call-Blocking Apps
| App | Key Features |
|---|---|
| Truecaller | Identifies spammers, reveals some private numbers |
| CallApp | Call recording, advanced blocking |
| Hiya | Real-time spam detection |
All available on Google Play Store & Apple App Store
Reporting Suspicious Calls in Kenya
- Safaricom: Dial 100 or visit shop
- Airtel: Dial 100 or use MyAirtel app
- Telkom: Call 100 or visit service center
Note: Providers can’t reveal private numbers but can:
- Block harassing callers
- Initiate traces for serious cases
- Report to authorities
Advanced Protection Tips
- Never share PINs, passwords, or ID numbers
- Keep a call log with times/details
- Regularly update call-blocking apps
- Avoid calling back unknown numbers