To make your phone number private in 2026: hide caller ID with *67 or a permanent carrier block, add a port-out PIN and number lock, register on the Do Not Call list, unlist from caller ID apps, delete your number from data brokers, hand out a Google Voice number, and stop using SMS as your main second factor.
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Why a Public Phone Number Is a Security Risk
Your phone number is now the index key to your digital life. It unlocks password resets, receives one-time codes, and ties together every account you have ever signed up for. On people-search sites it sits next to your name, current address, past addresses, and relatives — which is everything a scammer needs to pass a carrier's identity check.
That attack has a name: SIM swapping. The FBI's Internet Crime Complaint Center logged 982 SIM swap complaints and about $26 million in reported losses in 2024, and industry reporting puts the average loss per victim in the tens of thousands. Attackers get in three ways — social-engineering a carrier rep, bribing a retail employee, or phishing an internal carrier portal — and all three start with knowing your number and enough personal detail to sound like you.
Do This First
Call your carrier and add a port-out PIN plus a number transfer lock (AT&T, Verizon, and T-Mobile all offer them free). Dedicated transfer PINs cut unauthorized swap success dramatically, and it takes five minutes. Everything else on this page is less urgent than that.
Step 1 of 7: Hide Your Caller ID
Dial *67 before a number to send that single call as "Private" or "Blocked." For a permanent block, ask your carrier to enable line-level Caller ID Blocking — free on all three major US carriers. On iPhone, Settings → Apps → Phone → Show My Caller ID (the toggle only appears if your carrier allows it); on Android, Phone app → Settings → Supplementary services → Caller ID.
Two limits: blocked numbers still reach 911, toll-free numbers, and anyone using a trap-line service, and many people decline unknown callers outright. Use *67 selectively rather than as a default.
Step 2 of 7: Lock Your Carrier Account
- Port-out PIN / transfer PIN — required before your number can move to another carrier.
- Number Lock (Verizon), SIM Protection / Account Takeover Protection (T-Mobile), Wireless Account Lock (AT&T) — blocks SIM changes and line transfers until you unlock them.
- A passcode that is not your birthday or last four of your SSN — both are already on broker sites.
- Carrier spam filtering — AT&T ActiveArmor, Verizon Call Filter, and T-Mobile Scam Shield are free and block known fraud numbers at the network level.
Step 3 of 7: Register With the National Do Not Call Registry
Register free at donotcall.gov or by calling 1-888-382-1222 from the number you want listed. Registration never expires. As of the end of fiscal 2025 there were more than 258 million numbers on the registry, per the FTC's January 2026 biennial report to Congress.
Understand what it does: legitimate US telemarketers must scrub their lists against it every 31 days, so the registry stops lawful marketing calls. It does not block calls, and criminals ignore it. The FCC has kept tightening the other side — a January 2026 order set penalties for providers that file false information in the Robocall Mitigation Database, STIR/SHAKEN caller-ID authentication now reaches smaller providers, and a late-September 2026 FCC vote lets callers designate one clearly disclosed opt-out method for revoking consent. Useful, but none of it removes your number from the lead lists already in circulation.
Step 4 of 7: Remove Your Number From Data Brokers and People-Search Sites
This is the step that actually shrinks your exposure. Sites like Spokeo, BeenVerified, FastPeopleSearch, Whitepages, Radaris, and TruePeopleSearch publish your number alongside your address and relatives, and they sell it onward to lead generators. Each one has its own opt-out form, email verification loop, and re-listing cycle, so doing it by hand is a recurring chore of 100+ forms.
PrivacyOn files those removals for you across 100+ data brokers, re-files them when your record reappears, monitors the dark web for your number, and covers up to 5 family members — from $8.33/month, starting with a free exposure scan that shows exactly which sites are publishing your number today.
Step 5 of 7: Unlist From Caller ID Apps
Caller ID apps build their databases from other people's uploaded contact lists, so you can be listed without ever installing one. Unlist from Truecaller at truecaller.com/unlisting (deactivate any account first), from Sync.ME at sync.me/unsubscribe/, and from Hiya by emailing DPO@hiya.com with the numbers you own. Then revoke contact-list permissions for apps on your own phone so you stop exposing everyone in your address book.
Step 6 of 7: Use a Secondary Number for Public Use
Keep your real number for your bank, your doctor, and your family. Use a free Google Voice number — or a paid option like Burner or a carrier second line — for marketplace listings, delivery apps, loyalty programs, dating apps, and any form that demands a phone number. If the secondary number gets scraped and sold, you discard it without changing anything that matters.
Step 7 of 7: Stop Using SMS as Your Main Second Factor
SMS codes are the payoff of a SIM swap. Move your important accounts — email, bank, broker, crypto, password manager — to an authenticator app (Aegis, Ente Auth, Google Authenticator) or, better, a passkey or hardware key like a YubiKey. Where SMS is the only option, keep it, but never make it the recovery method for your primary email.
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Also Worth Doing
- Tighten social discoverability. On Facebook, Instagram, LinkedIn, and WhatsApp, turn off "find me by phone number" and remove the number from public profile fields.
- Refuse optional phone fields. Most checkout and signup forms do not require one; leave it blank or use your secondary number.
- Check your number against breach data. Phone numbers leak constantly, and a leaked number plus a leaked address is a ready-made social-engineering script.
- Re-check quarterly. Broker records regenerate from public records and purchased feeds, so a one-time cleanup decays within months.
How PrivacyOn Helps
Steps 1 through 3 and 5 through 7 are one-time settings changes. Step 4 is the one that never stays done, because brokers rebuild your record from public records and purchased data. PrivacyOn automates it: removals across 100+ brokers, 24/7 monitoring so re-listings get caught and re-filed, dark web monitoring for your number and email, and family coverage for up to 5 people — from $8.33/month, after a free scan.
Frequently Asked Questions
How do I stop my phone number from showing up on people-search sites?
You have to opt out of each site individually — Spokeo, BeenVerified, FastPeopleSearch, Whitepages, Radaris and the rest each run their own form and verification step — and then repeat it when your record reappears, which typically happens within a few months. PrivacyOn automates the whole cycle across 100+ brokers and keeps monitoring for re-listings from $8.33/month, with a free scan to show where you are listed now.
Does *67 make my phone number completely private?
No. It hides your caller ID on that one outgoing call. It does nothing about the number being published on broker sites, does not apply to 911 or toll-free numbers, and does not stop incoming spam. Treat it as one setting among seven, not a solution.
Will registering on Do Not Call stop robocalls?
It stops lawful telemarketing, because US telemarketers must scrub the registry every 31 days. It does not block anything technically, and illegal robocallers and offshore operations ignore it entirely. Registry plus carrier spam filtering plus removing your number from broker lead lists is what actually reduces call volume.
What is a port-out PIN and do I need one?
It is a separate PIN your carrier requires before your number can be transferred to another carrier or a new SIM. Yes, you need one — it is the single most effective defense against SIM swapping, it is free on AT&T, Verizon, and T-Mobile, and it takes about five minutes to set up.
Should I just change my phone number?
Rarely worth it. Changing numbers breaks your two-factor setup and account recovery, and the new number gets scraped into broker databases within months of you using it anywhere. Lock the carrier account and clean up the broker listings instead; if you do change numbers, keep the new one off public forms from day one.
Is it safe to give my phone number to social media apps?
Only with discoverability turned off, and preferably as a secondary number. Platforms have repeatedly exposed phone numbers through scraping and breaches, and a number tied to a real name and photo is a doxxing shortcut. Use a Google Voice number for anything public-facing.
The Bottom Line
Hiding your number is a layered job: lock the carrier account so it cannot be stolen, hide caller ID so it is not broadcast, register with Do Not Call so lawful marketers drop it, unlist from caller ID apps, and — the part that matters most — delete it from the data brokers that publish and resell it. PrivacyOn handles that last part for you across 100+ sites, with dark web monitoring, 24/7 re-listing checks, and coverage for up to 5 family members from $8.33/month. Start with a free scan.