Scam Calls: How They Work, How to Spot Them & What to Do

Quick Answer: Scam calls are fraudulent phone calls designed to steal money or personal information. Scammers use spoofing, also called caller ID spoofing, to disguise their real number, often impersonating government agencies, banks, or technology companies. Warning signs include urgent threats, demands for unusual payment methods, and requests for sensitive information.

What Is a Scam Call?

A scam call is any phone call where someone attempts to deceive you into giving up money, personal information, or access to your accounts. These calls range from robocalls playing pre-recorded messages to live callers following carefully crafted scam scripts designed to build trust and create pressure.

Americans reported losing $12.5 billion to fraud in 2024—a 25% increase over the prior year. Phone calls remained the second most common contact method for fraud, trailing only email.

Why Scam Calls Lead to Bigger Losses

While scams may begin through text messages or emails, the highest-value fraud often escalates to a phone call. People who interacted with scammers on the phone lost a median of $1,500 per incident—significantly higher than other contact methods. The real-time pressure of a voice conversation, sometimes called vishing, makes it easier for scammers to manipulate victims before they can pause to verify.

Who Gets Targeted by Scam Calls?

Scam calls don't discriminate by age, but patterns reveal how scammers adjust their tactics:

• Adults 70+ are most likely to be contacted by scammers via phone call
• Adults 20-29 report losing money to fraud more often (44%), but with lower median losses ($417)
• Adults 80+ experience the highest median losses when targeted—$1,650 per incident
• Older adults losing $100,000+ to imposter scams increased eight-fold from 2020 to 2024. Learn more about senior scam calls.

How Scam Calls Actually Work

Caller ID Spoofing

A familiar-looking number doesn't guarantee the call is safe. The number on your caller ID can be completely fake. Scammers use caller ID spoofing to display numbers that match the brand they are trying to hijack—including numbers from government agencies like the IRS or Social Security Administration or a loved one in your contact list.

Learn more: How Caller ID Spoofing Works

Neighbor Spoofing

"Neighbor spoofing" displays a number with your same area code and prefix, making it look like a local call. This increases the chances you'll answer.

Robocalls and Auto-Dialers

Automated systems dial thousands of numbers per hour. The scale is staggering:

• 52.5 billion robocalls hit Americans in 2025—roughly 144 million per day
• That's 3-5 robocalls a week for Americans
• Unwanted telemarketing and scam calls surged 15.4% year-over-year

AI and Voice Cloning: The New Frontier

Modern voice-cloning tools can create a convincing replica of someone's voice from as little as three seconds of audio—easily scraped from social media videos, podcasts, or voicemails.

1 in 4 adults has encountered an AI voice scam, with 1 in 10 being personally targeted. These tools make "grandparent scams" and family emergency calls devastatingly effective—victims hear what sounds exactly like a loved one in distress.

Bottom line: A familiar voice on the phone is no longer proof of identity.

Scripts and Psychological Tactics

Live scam callers use scam scripts with psychological pressure:

• Urgency: "You must act now or face arrest."
• Authority: Impersonating government officials or bank representatives
• Fear: Threatening legal action or financial loss
• Trust-building: Providing partial accurate information from data breaches
• Isolation: Asking you not to tell family members

Common Types of Scam Calls

Phone scams are prime territory for imposter scams—fraud where criminals pretend to be someone you trust. In 2024, imposter scams generated $2.95 billion in reported losses, up 10% from the prior year.

Government Imposter Calls

Scammers pretend to be from the IRS, Social Security Administration, or law enforcement. They claim you owe taxes, your SSN has been "suspended," or there's a warrant.

Note: The IRS does not call demanding immediate payment. The SSA will not threaten to suspend your number.

Bank and Financial Scams

Callers claim suspicious activity on your account and ask you to "verify" account numbers or PINs—which they use to access your accounts.

Tech Support Scams

Callers claim your computer has a virus and request remote access or payment. Microsoft, Apple and other legitimate companies do not make unsolicited calls.

Utility Scams

Scammers threaten service disconnection unless you pay immediately via gift card or wire transfer.

Prize and Lottery Scams

You've "won" a prize but must pay fees to claim it. Legitimate sweepstakes never require upfront payment.

Warning Signs of a Scam Call

• Unexpected urgency: Pressure to act immediately
• Unusual payment requests: Gift cards, wire transfers, cryptocurrency
• Personal information requests: SSN, bank details, passwords
• Threats: Arrest, deportation, account closure
• Secrecy: "Don't tell anyone" instructions
• Too good to be true: Unsolicited prizes or investments

If something feels off, trust your instincts.

What to Do If You Think You Might Be on a Scam Call

During the Call

If the caller exhibits any of the warning signs above—unexpected urgency, unusual payment requests, threats, demands for personal information, or instructions to keep the call secret—you're likely dealing with a scam.

Your move: Hang up.

You might feel inspired to curse out the scammer or play along to waste their time. Don't. Engaging keeps you on the line longer, confirms your number is active, and could put you at further risk. The safest response is simply to end the call without explanation.

After the Call

1. Don't call back the number shown—it likely won't connect anyway as it was spoofed.
2. Verify independently using official contact information from the organization's real website
3. Report the incident: FTC at ReportFraud.ftc.gov or Scamwise.com

If You Shared Information or Paid

• Contact your bank immediately to freeze accounts or dispute unauthorized transactions
• Place a fraud alert on credit reports with all three bureaus
• Report identity theft at IdentityTheft.gov
• Change critical passwords immediately—start with your primary email and bank accounts
• Enable two-factor authentication on important accounts

How to Protect Yourself

• Use call blocking: How to Block Scam Calls Automatically
• Register: DoNotCall.gov (reduces telemarketing)
• Screen calls: Let unknowns go to voicemail. And, never call an unknown voicemail number back, unless you recognize it.
• Verify independently: Call organizations using official numbers
• Talk to family: Discuss tactics from incidents with friends and loved ones

Understanding "Scam Likely" Labels

Carrier screening shows "Scam Likely," "Spam Risk," or "Potential Spam" for suspicious calls. These labels come from your carrier's analysis of calling patterns, known scam number databases, and STIR/SHAKEN caller ID authentication.

These labels are helpful, but they aren't perfect:

• False negatives: New scam numbers take time to get flagged
• False positives: Legitimate businesses sometimes get incorrectly labeled as spam
• Spoofing limits detection: When scammers spoof a legitimate number, the carrier may not flag it

Bottom line: If your phone flags a call as "Scam Likely," treat it with suspicion.  But the absence of a warning doesn't mean a call is safe. Always verify independently if something feels off.

FAQs

How do I know if a call is a scam?

Scam calls create urgency, threaten consequences, request unusual payment, or ask for sensitive info. If you're experiencing any of these — it's probably a scam.

Can scammers fake caller ID?

Yes. Spoofing is common tactic in scam calls. Any number can be displayed, including ones that look like they're from people nearby, called 'neighbor spoofing'.

What if I answered a scam call?

Hang up. Don't share any personal information and report the incident to the FTC if you're concerned about your risk or exposure to a scam.

Why do I keep getting scam calls?

Your number may be on lists from data breaches or random dialing. And, if you often pick up unknown numbers or call back unknown numbers who leave a voicemail, that can further indicate that your line is active.