Here’s how to hide caller ID on iPhone in a clear, step‑by‑step way, plus some extra tricks and gotchas.

How to Hide Caller ID on iPhone

Quick Scoop

If you want to call someone from your iPhone without showing your number, you can either turn off caller ID for all outgoing calls in Settings or hide it per call with a special code before the number.

Method 1: Turn Off Caller ID in Settings (All Calls)

This makes all your outgoing calls show as “Unknown”, “No Caller ID”, or “Private” to other people, depending on their carrier.

  1. Open the Settings app on your iPhone.
  2. Scroll down and tap Phone.
  3. Tap Show My Caller ID.
  4. Toggle Show My Caller ID off.

When this setting is off:

  • Your number is hidden for most outgoing calls.
  • The person you’re calling will usually see something like “Unknown”, “Private Caller”, or “No Caller ID”.
  • You can turn it back on any time by toggling it on again.

Note: On some carriers or in some countries, this option may be missing or grayed out. In that case, you’ll need to use per‑call codes or contact your carrier.

Method 2: Hide Caller ID for a Single Call (Per‑Call Code)

If you only want to hide your number occasionally, you can use a prefix code before the number you’re calling. The exact code depends on your region/carrier, but the most common are:

  • North America (US/Canada, many others):
    • Dial *67 + phone number
    • Example: *67 555 123 4567
  • Many European/South American countries:
    • Dial #31# + phone number
    • Example: #31# 07123 456789
  • Other common alternatives (varies by country/carrier):
    • *31# + phone number
    • 141 + phone number (common in the UK and some other regions)

How to use it:

  1. Open the Phone app.
  2. Tap the Keypad tab.
  3. Enter the caller‑ID‑hiding code for your region.
  4. Immediately type the number you want to call.
  5. Press the call button.

This hides your number only for that one call.
Your normal caller ID behavior returns for the next call unless you use the code again or have caller ID turned off in Settings.

Tip: If the code doesn’t work once, double‑check the exact sequence (no spaces when dialing) and confirm which prefix your carrier supports.

Method 3: Ask Your Carrier to Block Caller ID

If Settings doesn’t have the option, or you want a permanent, carrier‑level block:

  1. Contact your mobile carrier’s customer support (app, website chat, or phone).
  2. Ask them to enable caller ID blocking for all outgoing calls.
  3. Confirm:
    • Whether it applies to all calls.
    • Whether emergency numbers (e.g., 911/112) still see your number (they usually do).
    • How to temporarily show your number when needed (there’s often a reverse code, like *82 in some regions).

Carrier blocking is useful if:

  • The Settings toggle is missing or doesn’t work.
  • You want system‑wide privacy without worrying about iPhone settings.

Important Limitations and Safety Notes

Even if you hide your caller ID:

  • Emergency services can almost always see your number and location, regardless of your settings or codes.
  • Some organizations (banks, government, support lines) may reject anonymous calls , so the call might not go through or might be flagged.
  • People you call can still:
    • Block anonymous callers on some phones.
    • Report or block the call after picking up.

Use hidden caller ID responsibly:

  • It’s okay for privacy (calling a business, marketplace seller, etc.).
  • Do not use it to harass, threaten, or abuse anyone—carriers and authorities can still trace serious misuse.

Mini FAQ and Extra Tips

Q: How do I show my number again after hiding it in Settings?
A: Go back to Settings → Phone → Show My Caller ID and toggle it on. Q: Can I show my number for just one call while it’s globally hidden?
A: In many regions, there’s a “reveal” code (like *82 before the number in some North American carriers). Check with your carrier if they support such a code. Q: Why is “Show My Caller ID” missing on my iPhone?
A: Your carrier controls that option. If they disable it, you won’t see the toggle, and you’ll need to either use per‑call codes or contact them.

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