How to Report a Scam Phone Number: The Complete 2026 Guide

Scam calls and fraudulent text messages have become one of the most persistent digital threats of the decade. According to recent telecom industry reports, consumers worldwide lose billions of dollars each year to phone-based fraud, ranging from fake IRS agents and bogus tech support to romance scams and one-ring callback traps. Reporting these numbers is one of the most powerful actions you can take—not just to protect yourself, but to help carriers, regulators, and law enforcement shut down scam operations before they reach the next victim.

This guide walks you through exactly how to report a scam number in the United States and globally, what information to collect first, and what realistically happens after you submit a report.

What Counts as a Scam Phone Number?

A scam phone number is any phone number used to deceive, defraud, or manipulate a person into giving up money, personal information, or account access. This includes both voice calls and SMS/text messages (often called "smishing").

Common categories of scam calls and texts include:

• Impersonation scams — fake calls from the IRS, Social Security Administration, police, or Medicare.
• Tech support scams — callers claiming your computer is infected and demanding remote access.
• Package delivery scams — texts pretending to be from USPS, FedEx, DHL, or Amazon with a suspicious link.
• Bank and card fraud alerts — "Did you authorize a $499 transaction?" texts that lead to phishing sites.
• Romance and investment scams — long-term contacts who eventually request money or crypto.
• Robocalls — pre-recorded messages about car warranties, student loan forgiveness, or utility shut-offs.
• One-ring (Wangiri) scams — international numbers that hang up after one ring to trick you into calling back at premium rates.

Information to Gather Before You Report

Before filing any report, take a moment to document what happened. Regulators and carriers can act much faster when they have specifics. Collect the following:

1. The full phone number as it appeared on your caller ID, including the country code if visible.
2. The exact date and time of the call or text.
3. The type of contact — voice call, voicemail, SMS, MMS, or WhatsApp/RCS message.
4. A summary of the message or what the caller said (a screenshot is ideal for texts).
5. Any links the scammer sent — do not click them, but copy the URL as text.
6. Money lost or information shared, if any.
7. The name or organization the scammer claimed to represent.

If the scam involved a suspicious shortened link, you can paste it into a link-preview tool before doing anything else. Trustworthy URL shortening platforms like Lunyb publish safety information and let you inspect destinations, which makes it easier to tell legitimate marketing links from cloaked phishing redirects.

How to Report a Scam Number in the United States

The U.S. has several agencies and channels, and the most effective approach is to report to more than one. Each handles a different piece of the problem.

1. Report to the FTC (Federal Trade Commission)

The FTC is the primary consumer-protection agency for fraud reports in the United States. File a report at ReportFraud.ftc.gov. The FTC uses these reports to build cases against scam operations and shares data with more than 2,800 law enforcement agencies.

For unwanted robocalls specifically, also file at DoNotCall.gov, even if your number is already on the Do Not Call Registry.

2. Report to the FCC (Federal Communications Commission)

The FCC handles complaints about unwanted calls and texts at consumercomplaints.fcc.gov. The FCC's data drives enforcement against carriers that fail to block known scam traffic under the STIR/SHAKEN call-authentication framework.

3. Forward Scam Texts to 7726 (SPAM)

This is the fastest and most underused option. Forward any scam SMS to 7726 (which spells "SPAM" on a phone keypad). This works on AT&T, Verizon, T-Mobile, and most international carriers. Your carrier will respond asking for the originating number, then add it to network-level blocklists.

4. Report to Your Phone Carrier

Each major U.S. carrier has its own scam-reporting portal and a free call-screening app:

• AT&T — ActiveArmor app and reportphishing@att.com
• Verizon — Call Filter app and verizon.com/about/account-security
• T-Mobile — Scam Shield app, or dial #662# to block scam calls

5. Report Financial Scams to the FBI

If the scam involved attempted or actual financial loss, file with the FBI's Internet Crime Complaint Center (IC3) at IC3.gov. This is the central intake point for U.S. cybercrime investigations.

6. Report Impersonation Scams to the Right Agency

If the scammer impersonated a specific agency, report directly to that agency too:

• IRS impersonation — phishing@irs.gov and TIGTA at tigta.gov
• Social Security impersonation — oig.ssa.gov
• Medicare scams — 1-800-MEDICARE
• USPS smishing — spam@uspis.gov

How to Report a Scam Number Internationally

Phone scams are a global problem, and most countries have a dedicated reporting body. Here is a quick reference table for the most common regions.

Country / Region	Primary Agency	Where to Report	SMS Forwarding Code
United Kingdom	Action Fraud / Ofcom	actionfraud.police.uk	7726
Canada	Canadian Anti-Fraud Centre	antifraudcentre.ca	7726
Australia	Scamwatch (ACCC)	scamwatch.gov.au	7726 (Telstra/Optus)
New Zealand	CERT NZ / DIA	cert.govt.nz	7726
European Union	National telecom regulator	BEREC member list	Varies by country
India	Sanchar Saathi / TRAI	sancharsaathi.gov.in	1909
Singapore	ScamShield / SPF	scamshield.gov.sg	9-1-CALL-POLICE
South Africa	SAFPS	safps.org.za	Carrier-specific

How to Report Scam Calls on Your Smartphone

Both iOS and Android now include native tools to report and block scam numbers without installing extra apps.

On iPhone (iOS 17 and later)

1. Open the Phone app and tap Recents.
2. Tap the blue (i) icon next to the suspicious number.
3. Scroll down and tap Block this Caller.
4. For texts, open Messages, tap the sender's name, then Info > Block this Caller, and use Report Junk to send the number to Apple and your carrier.

On Android (Google Phone app)

1. Open the Phone app and tap Recents.
2. Long-press the scam number and choose Block / Report spam.
3. Confirm by checking Report call as spam.
4. For texts, open Messages, long-press the conversation, tap the three-dot menu, and choose Block & report spam.

How to Report Scam Calls from Apps (WhatsApp, Telegram, iMessage)

Scammers increasingly move conversations from regular phone calls to messaging apps, where regulation is weaker. Each platform has its own reporting mechanism.

• WhatsApp — open the chat, tap the contact name, scroll to Report Contact, then Block. WhatsApp receives the last five messages for review.
• Telegram — open the chat, tap the user's name, then ... > Report, and select a category like Scam or Fake account.
• iMessage — use the Report Junk link that appears under messages from unknown senders.
• Signal — block the contact; Signal does not store metadata, so reports happen at the device level only.

What Happens After You Report a Scam Number?

Many people assume their report disappears into a void. In reality, several things happen in parallel, even if you never receive a personal follow-up.

1. Pattern matching. Agencies like the FTC and FCC aggregate reports to identify scam campaigns hitting thousands of victims.
2. Carrier blocking. Numbers reported via 7726 or carrier apps are added to network-level filters that block them for all customers.
3. Number reassignment or shutdown. Voice service providers can be ordered to disconnect numbers that repeatedly originate fraudulent traffic.
4. Law enforcement referral. High-loss cases reported to IC3 or local police can become criminal investigations.
5. Public warnings. Aggregated complaints feed scam-tracker dashboards run by the FTC, BBB, and consumer groups.

You likely won't get a personal response, but your report genuinely contributes to a feedback loop that shrinks scam operations over time.

How to Protect Yourself From Future Scam Calls

Reporting is reactive. Pair it with proactive habits to dramatically reduce how many scam calls reach you in the first place.

• Enable carrier-level scam blocking. All major carriers now offer free spam-call filtering — turn it on in your account settings.
• Never click links in unsolicited texts. If a message claims to be from your bank or a delivery service, open the official app directly instead.
• Verify shortened URLs. Use a link checker or paste the URL into a search engine. Reputable shorteners publish their abuse policies — our team covers how to vet them in our 2026 URL shortener buyer's guide and our honest Lunyb review.
• Use silence-unknown-callers settings. Both iOS and Android can route unknown numbers straight to voicemail.
• Register on national do-not-call lists. While they don't stop criminals, they reduce legitimate telemarketing noise so scam calls stand out.
• Never give one-time passcodes to anyone who calls you, even if they say they're from your bank.

Red Flags That a Call or Text Is a Scam

Even before you check the number, the message itself usually reveals the scam. Watch for these signals:

• Urgency and threats — "Your account will be closed in 24 hours."
• Unusual payment methods — gift cards, wire transfers, crypto, or apps like Zelle for "refunds."
• Requests for codes or passwords — no legitimate company will ask for these.
• Caller ID mismatches — a "bank" call from an international number or a 10-digit IRS number.
• Generic greetings — "Dear customer" instead of your name.
• Pressure to stay on the line or not to contact anyone else.

Frequently Asked Questions

Can I report a scam number anonymously?

Yes. The FTC, FCC, and most international agencies allow anonymous reports. Providing contact information helps investigators follow up if your case becomes part of a larger investigation, but it isn't required.

Does forwarding texts to 7726 actually work?

Yes. 7726 is a free shortcode supported by virtually every major mobile carrier worldwide. Carriers use these reports to update their network-level spam filters in near real time, which blocks the same number from reaching other customers.

What should I do if I already gave money or information to a scammer?

Act immediately. Contact your bank or card issuer to freeze transactions, change any passwords the scammer may have learned, enable two-factor authentication on critical accounts, file a report with IC3.gov (or your country's equivalent), and place a fraud alert with the major credit bureaus if personal information was shared.

Will reporting a scam number stop them from calling me again?

Not directly, because scammers rotate through thousands of spoofed numbers. However, reporting feeds carrier blocklists and regulator enforcement actions that gradually reduce the total volume of scam calls reaching everyone. Pair reporting with on-device blocking for the best immediate result.

Can scammers use my real phone number to call others?

Yes — this is called caller ID spoofing, and it's why you sometimes get angry callbacks from strangers asking why you called them. You can't fully prevent it, but you can record a voicemail explaining the situation, report the spoofing to the FCC, and ask your carrier about enhanced caller-authentication features under STIR/SHAKEN.

Final Thoughts

Reporting scam numbers takes only a few minutes, but it compounds into real protection for millions of people. Forward suspicious texts to 7726, file with your national consumer-protection agency, use your phone's built-in reporting tools, and stay skeptical of unsolicited urgency. The more reports regulators and carriers receive, the faster scam operations get shut down — and the safer everyone's inbox and call log becomes.