What a Credit Freeze Actually Does

A credit freeze — legally called a "security freeze" — restricts access to your credit report. When a lender tries to check your credit for a new application, they get blocked. No credit check means no new account can be opened. It's the simplest, most effective anti-fraud measure available.

Here's what a freeze does:

• Blocks lenders and creditors from accessing your credit report for new applications
• Prevents anyone from opening credit cards, loans, or lines of credit in your name
• Stops utility and telecom companies from pulling your credit (if you freeze NCTUE too)
• Prevents unauthorized hard inquiries that could ding your score

Here's what a freeze doesn't do:

• It does NOT affect your existing accounts — your current credit cards and loans work normally
• It does NOT impact your credit score — zero effect, period
• It does NOT prevent you from checking your own credit report
• It does NOT block existing creditors from reviewing your account (like credit limit reviews)
• It does NOT stop pre-approved offers (use OptOutPrescreen.com for that)
• It does NOT block soft pulls used by monitoring services like Credit Karma or Aura

A freeze is governed by federal law under the Economic Growth, Regulatory Relief, and Consumer Protection Act of 2018. This matters because it means bureaus are legally required to honor your freeze. Compare this to credit locks, which are governed by each bureau's terms of service — a weaker protection.

The Numbers: Why Freezes Work

Let's look at the data, because this is ScoreNerds and data is what we do.

Data point: 88% of new account fraud requires a credit pull from at least one bureau (Javelin Strategy & Research). A freeze blocks that pull, making it the single most effective prevention measure available — and it costs exactly $0.

• New account fraud represents about 26% of all identity theft cases (FTC data), but causes disproportionately more financial damage per incident — average losses exceed $1,500 vs. $500 for existing account fraud
• After the 2017 Equifax breach exposed 147 million SSNs, freeze adoption jumped 4x. Among people who froze their credit, new account fraud incidence dropped to near zero
• Despite the effectiveness, only about 12% of American adults currently have a freeze in place. That's a massive protection gap — roughly 220 million adults remain unprotected
• $12.5 billion in total fraud losses were reported to the FTC in 2024 — much of this could have been prevented with widespread freeze adoption

Data point: A record 3,332 data compromises occurred in 2025, with two-thirds involving Social Security numbers (ITRC 2025 Annual Data Breach Report). If your SSN has been exposed — and statistically it probably has — a credit freeze is the single best defense you can deploy today.

The bottom line: a credit freeze eliminates the single most common vector for high-damage identity theft. It costs nothing, takes 30-45 minutes, and has zero downside for your credit score. There's no rational reason not to do it — especially if you live in a high-risk state or are going through a major life transition. People navigating divorce, for instance, face elevated risk of unauthorized accounts being opened using shared personal information. Our state-by-state identity theft data shows that some states face 3x the per-capita fraud rate of others.

What You'll Need Before Starting

Gather these items before you begin to make the process smooth across all 5 agencies:

• Social Security number
• Date of birth
• Current address (and addresses for the past 2 years for mail requests)
• Government-issued ID (driver's license, passport, or military ID — needed for some verification steps)
• Password manager to store freeze PINs and account credentials

Total time investment: approximately 30-45 minutes for all 5 agencies if done online (plus one phone call for NCTUE).

Step 1: Freeze at Equifax

Online (fastest):

1. Go to equifax.com/personal/credit-report-services/credit-freeze/
2. Click "Place a Freeze" and create or log into your Equifax account
3. Verify your identity (name, SSN, date of birth, address)
4. Complete the freeze request
5. Save your freeze PIN — you'll need this to lift the freeze later. Store it in your password manager immediately

By phone: Call 888-378-4329. Automated system available 24/7.

By mail: Equifax Security Freeze, P.O. Box 105788, Atlanta, GA 30348. Include name, SSN, date of birth, address, and addresses for the past 2 years. Slowest option — takes 3-5 business days.

Time to complete: 5-10 minutes online. Active immediately.

Note: Equifax also offers a free credit lock product called "Lock & Alert." This is a lock, not a freeze — different legal protections. We recommend the freeze for its federal law backing.

Step 2: Freeze at Experian

Online (fastest):

1. Go to experian.com/freeze/center.html
2. Click "Add a Security Freeze"
3. Create or log into your Experian account
4. Verify your identity
5. Confirm the freeze

Important note: Experian is known to be the most aggressive about upselling paid services during the freeze process. They will promote CreditWorks Premium at $24.99/month, which includes their credit lock product. You do NOT need to pay for anything — the freeze is free by law. Decline any premium service offers.

By phone: Call 888-397-3742.

By mail: Experian Security Freeze, P.O. Box 9554, Allen, TX 75013.

Time to complete: 5-10 minutes online. Active immediately.

Step 3: Freeze at TransUnion

Online (fastest):

1. Go to transunion.com/credit-freeze
2. Click "Add a Freeze" and create or log into your account
3. Verify your identity
4. Confirm the freeze request

By phone: Call 888-909-8872.

By mail: TransUnion, P.O. Box 160, Woodlyn, PA 19094.

Time to complete: 5-10 minutes online. Active immediately.

Bonus: TransUnion also offers TrueIdentity, a free credit lock service through their app. This is a lock, not a freeze — different legal protections. See our freeze vs. lock comparison if you're considering using both.

Step 4: Freeze at Innovis (Don't Skip This)

Innovis is the "fourth bureau" that most guides forget. Many subprime lenders, auto dealers, and specialty creditors check Innovis. Leaving it unfrozen is like locking three doors but leaving the fourth wide open.

Online:

1. Go to innovis.com/personal/securityFreeze
2. Complete the security freeze request form
3. Verify your identity

By phone: Call 800-540-2505.

By mail: Innovis Consumer Assistance, P.O. Box 26, Pittsburgh, PA 15230-0026.

Cost: Free.

Time to complete: 5 minutes online.

Step 5: Freeze at NCTUE (Utility and Telecom Check)

The National Consumer Telecom & Utilities Exchange is the database that utility companies, phone carriers, and some cable providers check when you open a new account. An identity thief can use your information to open utility accounts, which then become delinquent and end up on your credit report as collections.

By phone (only method):

1. Call 866-349-5355
2. Request a security freeze
3. Verify your identity (SSN, name, address)
4. Record your confirmation number

NCTUE doesn't currently offer online freeze placement, which is unfortunate, but the phone call takes about 10 minutes.

Cost: Free.

Bonus: Freeze at ChexSystems

ChexSystems is the database banks check when you open a new checking or savings account. If an identity thief opens bank accounts in your name and those accounts are closed for fraud, it goes on your ChexSystems report — which can prevent you from opening legitimate bank accounts later.

Online: Visit chexsystems.com and navigate to their security freeze page.

By phone: Call 800-428-9623.

Cost: Free.

This is particularly important if you've been the victim of synthetic identity fraud, where criminals may open bank accounts using a combination of your SSN and fabricated information. Read more in our synthetic identity fraud guide.

How to Lift a Freeze (When You Need to Apply for Credit)

This is the practical concern everyone has: what happens when you actually need to apply for a mortgage, car loan, or credit card?

Option 1: Temporary Lift (Recommended)

You can lift the freeze for a specific date range. This is the safest option:

1. Ask the lender which bureau they pull from (most will tell you)
2. Log into that bureau's website
3. Select "Temporarily Lift Freeze"
4. Set a date range (typically 3-7 days is sufficient)
5. The freeze automatically re-engages after the window closes

Option 2: Lift for a Specific Creditor

Some bureaus allow you to provide a specific creditor's name. The freeze lifts only for that entity's credit pull. This is the most secure option but isn't available at all bureaus.

Option 3: Permanent Removal

You can remove the freeze entirely. We don't recommend this unless you have a specific, ongoing need. It's always better to do temporary lifts.

Lift Timing

By law, bureaus must lift freezes within one hour of receiving an electronic request. In practice, it's usually instant.

Pro tip for mortgage applicants: Mortgage lenders typically pull tri-merge reports (all three bureaus simultaneously). Lift freezes at all three major bureaus 2-3 days before your application date. Set the temporary window for 7-10 days to account for any processing delays.

Impact on Credit Applications

Here's the scenario people worry about: you forget you have a freeze, apply for a credit card, and get denied. What happens?

If a creditor can't access your report due to a freeze, the application is simply denied for "unable to verify credit." This is not a mark against you — the denial doesn't appear on your credit report. No harm done except the minor inconvenience of needing to lift the freeze and reapply.

The hard inquiry situation is also worth clarifying: if the bureau blocks the pull due to a freeze, no hard inquiry is recorded. Your score isn't affected. This is actually a secondary benefit — a freeze prevents unauthorized hard inquiries that could otherwise ding your score by a few points each.

Pro tip: if you know you'll be applying for a major loan (mortgage, auto), plan ahead. Lift freezes 2-3 days before you expect credit to be pulled. Set the temporary window for 7-10 days. Mortgage applications may require lifts at all three bureaus since most mortgage lenders pull tri-merge reports.

Freezing Your Child's Credit

This section deserves special attention because children are the #1 target for synthetic identity fraud. On the other end of the age spectrum, seniors face elevated elder fraud risk — adults 60+ lost over $3.4 billion to fraud in 2023 according to FBI data, making credit freezes especially critical for retirees.

Data point: About 1 million children per year are affected by identity-related fraud (Javelin Strategy & Research). Child identity theft goes undetected for an average of 4 years because no one monitors a minor's credit — giving criminals a long runway to build and bust out synthetic identities.

All three major bureaus allow parents or guardians to freeze a minor's credit. The process requires additional documentation:

• Equifax: Submit a request online or by mail with proof of guardian relationship (birth certificate), child's SSN, and your government ID
• Experian: Mail-only process — send a written request with copies of the child's birth certificate, their SSN, your ID, and proof of address
• TransUnion: Submit online or by mail with similar documentation

Children should NOT have a credit file. If a bureau finds one during the freeze process, that itself is a red flag for fraud. Investigate immediately using our data breach recovery guide.

We strongly recommend freezing your child's credit as soon as they receive their Social Security number. The 15 minutes of effort now can prevent years of fraud damage later.

Common Myths Debunked

Myth: A credit freeze hurts your credit score

False. A freeze has absolutely zero impact on your credit score. It doesn't change any data in your credit file — it only controls who can see it. Your payment history, utilization, length of history, and all other scoring factors remain unchanged.

Myth: Freezing credit is expensive

False. Since September 2018, credit freezes are free for everyone by federal law. Before that, costs varied by state ($5-$10 per bureau). Now: free everywhere, always. The total cost of freezing all 5 agencies: $0.

Myth: A freeze stops companies from checking my credit for employment

Mostly false. Most employment background checks use a different process than a standard credit pull. However, some employers do check credit reports, particularly for financial positions. In those cases, you can do a temporary lift for the specific employer.

Myth: I only need to freeze at one bureau

Dangerous myth. Different creditors pull from different bureaus. If you freeze only Equifax but a thief applies at a lender that uses Experian, your freeze is useless. Always freeze at all three major bureaus — plus Innovis, NCTUE, and ChexSystems for complete protection.

Myth: A fraud alert is just as good as a freeze

False. A fraud alert is a note on your file asking creditors to take extra steps to verify identity. It's a request, not a mandate — creditors can still proceed. A freeze physically blocks access. Data shows fraud alerts are bypassed in a meaningful percentage of cases. Freezes are not.

Myth: Freezing is too inconvenient for daily life

Overblown. Most people apply for new credit only a few times per year. Lifting a freeze takes 5 minutes online and activates within an hour (usually instantly). The "inconvenience" argument is often promoted by credit bureaus who make money from lock subscriptions — Experian charges $24.99/month for their lock product, while their freeze is free. Don't confuse their profit motive with your best interest.

Frequently Asked Questions

How long does a credit freeze last?

Indefinitely, until you lift it. There's no expiration. Once you freeze, it stays frozen until you actively choose to unfreeze. This is different from fraud alerts, which expire after one year (or seven years for extended fraud alerts with an identity theft report).

Can I freeze my child's credit?

Yes. All three major bureaus allow parents or guardians to freeze a minor's credit. This is highly recommended — child identity theft often goes undetected for years because no one checks a child's credit. About 1 million children are victims of identity theft annually (Javelin Strategy & Research).

What if I lost my freeze PIN?

Each bureau has a process for recovering or resetting your PIN. You'll need to verify your identity, which may require mailing documents. This is why we recommend storing your PINs in a password manager immediately after freezing.

Does a freeze block credit monitoring services?

No. Services like Credit Karma, Experian's free monitoring, and paid services like Aura and LifeLock use "soft pulls" that are not blocked by a freeze. Your monitoring keeps working normally.

Should I freeze at all 5 agencies or just the big 3?

All 5 (or 6, if you include ChexSystems). It takes an extra 15 minutes to add Innovis and NCTUE, and it closes two meaningful gaps. Innovis is checked by many subprime and specialty lenders. NCTUE is checked by utility and telecom companies. ChexSystems is checked when opening bank accounts. All are free vectors for identity thieves if left unfrozen.

What's the difference between a freeze and a lock?

Legal protection and control mechanism. Freezes are governed by federal law; locks by the bureau's terms of service. Locks are typically managed through bureau apps and can be toggled faster. But freezes provide statutory damages if violated — locks route you to arbitration. We cover this in depth in our freeze vs. lock comparison.