How to Keep Your Phone Number Private on Android and iPhone

Maintaining your phone number privacy is essential if you want to make anonymous calls or send messages in Poland. This guide covers the latest techniques for Android 15 and iOS 18, including system settings, carrier apps, and anonymous messaging options.

Learn more about different messaging options in Anonymous SMS vs Messaging Apps.

Temporary Number Hiding – Codes #31# and *67

To hide your number for a single call, dial #31# before the recipient’s number (e.g., #31#123456789). This method works immediately with all Polish carriers and doesn’t require any phone setting changes.

Permanently Hiding Your Number on Android

Open your Phone app → Settings → Calls → Caller ID → Hide Number. This ensures your number remains private for all outgoing calls.

For creative ways to protect privacy while sending messages, see Anonymous SMS – Creative Ideas.

Permanently Hiding Your Number on iPhone (iOS 18)

Go to Settings → Phone → Show My Caller ID → Turn Off.

If using both a physical SIM and an eSIM, you can hide each number individually.

Learn more about anonymous SMS communication on How It Works.

Using Carrier Apps to Hide Your Number

Most Polish carriers allow you to hide your number via their apps without changing phone settings:

  • Plus: iPlus → Calls → Number Restriction
  • T‑Mobile: My T‑Mobile → Services → Caller ID → Hide Number
  • Play: Play24 → Manage Number → Restrict Number
  • Orange: My Orange → Services → Restrict Number

This ensures your number stays private on all devices.

Blocking Hidden Numbers

To avoid anonymous calls, enable the Block Private Numbers option in your phone’s call settings. Works on both Android and iPhone.

Anonymous SMS in Poland

To keep your messages private, use services that allow sending SMS anonymously. This ensures secure communication while keeping your number hidden.

More information about the service is available on the home page.

Summary of Methods to Hide Your Number

Method Android 15 iOS 18 SMS Sending
One-time code (#31#) ✅ ✅ ❌
Hide number in phone settings ✅ ✅ ❌
Carrier app ✅ ✅ ❌
Block private numbers ✅ ✅ ❌
Anonymous SMS sending ✅ ✅ ✅

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