Stop Spam Calls Information Guide

Understanding Spam Calls and Why They Happen

Spam calls have become one of the most common complaints in the United States. The Federal Communications Commission (FCC) reported that Americans received approximately 3.7 billion spam calls in 2023, with that number continuing to rise. A spam call is any unsolicited telephone call made for purposes like telemarketing, scams, robocalls, or harassment. These calls can come from legitimate businesses trying to reach you about products or services, but many originate from scammers attempting to steal personal information or money.

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Spam calls work because phone numbers are relatively easy to obtain. Companies and scammers purchase lists of phone numbers from data brokers, harvest them from websites and social media, or use random number generators to call thousands of people at once. The technology that enables spam calls has become increasingly sophisticated. Robocalls—automated calls that deliver prerecorded messages—can cost scammers just pennies per call to make, which is why they send millions daily. Caller ID spoofing technology allows scammers to make their calls appear to come from legitimate organizations, government agencies, banks, or local phone numbers to increase the likelihood that you'll answer.

Different types of spam calls serve different purposes. Scam calls try to trick you into giving up personal information, banking details, or payment information. Tech support scams claim your device has a virus. IRS scams pretend you owe back taxes. Debt collection scams try to collect on debts you don't owe. Healthcare scams offer fake insurance or COVID-19 treatments. Other spam calls are simply unwanted marketing calls from real companies trying to sell products or services. Some are robocalls conducting political surveys or pushing charitable donations. Understanding what motivates spam calls helps you recognize them and protect yourself.

Practical takeaway: Spam calls persist because they're cheap and often effective. Knowing this reality helps you understand why these calls won't disappear completely and why you need multiple strategies to reduce them.

How to Block and Report Spam Calls

Most modern smartphones include built-in tools to block unwanted callers. On iPhones, you can block a number by opening the recent call list, tapping the information icon next to a number, scrolling down, and selecting "Block this Caller." The blocked caller won't be able to reach you, and their calls will go directly to voicemail. You can also set your phone to silence calls from unknown numbers, which sends calls from people not in your contacts to voicemail. Android phones have similar features. In the Phone app, press and hold a number, then select "Block." You can also go to Settings, select Apps and Notifications, choose the Phone app, and enable "Spam Protection" if your phone offers this feature.

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Beyond your phone's built-in tools, you can use dedicated spam-blocking apps. Applications like Nomorobo, RoboKiller, Call Filter, and Whoscall identify and block suspected spam calls before they reach you. These apps work by comparing incoming calls against databases of known spam numbers and using artificial intelligence to recognize scam patterns. Many of these services offer free versions with basic blocking, while premium versions provide additional features. Your phone carrier may also offer spam protection. AT&T Call Protect, Verizon Call Filter, T-Mobile Scam Shield, and other carrier tools help identify spam before it reaches you, with some features available for free and others requiring a monthly fee.

When you receive a spam call, reporting it helps authorities and other consumers. You can report spam calls to the Federal Trade Commission (FTC) at ReportFraud.ftc.gov. The FTC uses reports to identify patterns and investigate large-scale scams. You can also report spam calls to the FCC Complaint Center at fcc.gov/complaints. If the spam call is from a business, you can report it to the National Do Not Call Registry at donotcall.gov or call 1-888-382-1222 from the phone receiving the calls. Reporting isn't just passive; your information helps authorities take action against the worst offenders.

Practical takeaway: Use your phone's native blocking features as a first step, add a spam-blocking app if needed, and regularly report spam numbers you receive. Each block and report contributes to reducing the overall volume of spam calls.

The National Do Not Call Registry and Your Rights

The National Do Not Call Registry is a free list managed by the Federal Trade Commission that allows consumers to opt out of telemarketing calls. Registered in 2003, it has become one of the most popular consumer protection programs in the United States, with over 233 million phone numbers registered as of 2023. The registry works on a simple principle: telemarketing companies are required by law to check the list before making sales calls. If your number is on the list, they cannot call you for telemarketing purposes. This means you should see a significant reduction in unwanted sales calls from legitimate businesses, though the registry does not stop spam or scam calls.

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Registering your number is free and takes just minutes. You can add your phone number online at donotcall.gov or call 1-888-382-1222 from the phone you want to register. You can register both landlines and cell phones. Once registered, your number remains on the list permanently—you don't need to renew it. The registration becomes effective within 31 days. After that period, if you receive telemarketing calls from businesses trying to sell you something, you can file a complaint with the FTC. Note that the registry does not cover all types of calls. Political organizations, charities, surveys, and companies with which you've done business in the past 18 months are legally allowed to call you even if you're on the Do Not Call Registry.

Understanding what the Do Not Call Registry covers is important for realistic expectations. It reduces telemarketing calls from legitimate businesses but does not stop scammers, robocalls, or calls from government agencies. Scammers ignore the registry because they're already breaking the law. Government agencies can call you about taxes, student loans, and other official matters regardless of your registry status. The registry also doesn't stop calls from political campaigns, charities, surveys, or research organizations. Additionally, if you provide your phone number to a company when making a purchase or opening an account, they may continue calling you about related services even after you register with Do Not Call.

Practical takeaway: Register with the National Do Not Call Registry as a baseline protection against legitimate telemarketing. Plan on using additional tools to handle scam calls and calls from organizations exempt from the registry.

Recognizing and Avoiding Spam Call Scams

The most dangerous spam calls are scams designed to steal money or personal information. Learning to recognize common scam patterns helps you avoid becoming a victim. IRS scams are among the most prevalent. Scammers call claiming you owe back taxes or that the IRS is investigating you. They demand immediate payment by wire transfer, gift card, or cryptocurrency. The actual IRS typically initiates contact by mail first, not by phone, and they will not threaten to arrest you or demand payment without allowing you to question the debt. Social Security Administration scams claim your Social Security number has been suspended or used in criminal activity. They pressure you to confirm your SSN and other personal information. The actual SSA will not call you about suspension of your number for criminal activity—this is not a real SSA program.

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Tech support scams are extremely common, particularly targeting older adults. A caller claims to be from Microsoft, Apple, or another tech company and says your device has detected viruses or security problems. They convince you to let them remotely access your computer or phone so they can "fix" the problem. Once they have access, they install malware, steal banking information, or convince you to transfer money for fake repairs. Legitimate technology companies do not call unsolicited to warn you about device problems. Bank and credit card scams involve callers pretending to be from your financial institution. They claim suspicious activity was detected on your account and ask you to verify personal details, account numbers, or PINs. Real banks will not ask for sensitive information like PINs or passwords over the phone during unsolicited calls.

Other prevalent scams include grandparent scams (pretending to be a grandchild in urgent need of money), utility scams (threatening to shut off water, electricity, or gas), loan scams (offering easy money despite bad credit), and prize/lottery scams (claiming you've won something you didn't enter). All of these share common patterns: they create urgency and panic to override your judgment, they request payment through untraceable methods like