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What Is Area Code Spoofing—and Can You Trust a Local Number?

Area code spoofing makes a call appear local, but caller ID does not prove who is calling or where they are. Learn how to verify suspicious calls.
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Area code spoofing is a type of caller ID spoofing in which an incoming call is made to look as if it comes from a number with your area code. The displayed number may even resemble yours. That local-looking number does not prove where the caller is, what number they are actually using, or who they are.

What area code spoofing means

Area code spoofing is a plain-language name for a tactic the Federal Trade Commission (FTC) calls neighbor spoofing. A caller manipulates the number shown on caller ID so it appears to be local. The number often has your area code and may share the first six digits of your number. The Federal Communications Commission (FCC) describes the same local-number tactic as neighbor spoofing.

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The displayed number is caller ID information, not proof of the caller’s location or identity. The number or name shown may belong to a real person who has no knowledge that their information is being used. FTC guidance on unwanted calls and the FCC’s explanation of neighbor spoofing describe how the local appearance is intended to make people more likely to answer and trust a call.

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Why callers make a number look local

A familiar area code can make an unexpected call seem as though it comes from a neighbor, local business, or someone you might know. That can increase the chance you answer. Once you do, a scammer may pretend to represent a company, government agency, or another trusted person. Caller ID can also display a fake name or number, so the screen alone cannot authenticate the caller. The FTC explains how scammers use false caller ID information in its phone scam guidance.

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Does a local-looking call mean it is a scam?

No. Spoofing is a description of manipulated caller ID; by itself, it does not establish that a particular call is fraudulent. The FCC has cited legitimate caller-ID substitutions, such as a medical professional displaying an office number when calling from a mobile phone. Its rules focus on misleading or inaccurate caller-ID information used with intent to defraud, cause harm, or wrongfully obtain something of value. See the FCC’s FCC 20-42 and FCC 19-51.

Judge an unexpected call by what the caller asks you to do, not by whether the number looks local. Requests for money, account credentials, or personal information deserve particular caution.

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What to do if you receive a suspicious call

  1. Let it go to voicemail, or hang up. You do not have to answer a number you do not recognize.
  2. Do not provide or confirm sensitive information. Avoid sharing personal or financial details with an unexpected caller.
  3. Verify the caller independently. If the caller claims to represent a business or agency, find its official contact details yourself and call that number. Do not rely on the number displayed or a callback number the caller gives you. The FTC offers further advice on avoiding government impersonation scams.
  4. Report suspected scam calls. You can report them to the FTC or FCC. The displayed number may not belong to the caller, but reports can still help identify patterns and may sometimes help trace calls.
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Can call blocking stop area code spoofing?

Phone features, carrier services, call-blocking or labeling apps, and separate call-blocking devices may help screen or reduce unwanted calls. They are not proof that a call is genuine, and blocking tools may not flag every scam call. The FTC outlines these options in its guide to blocking unwanted calls.

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The National Do Not Call Registry can reduce sales calls from companies that follow the law, but it does not stop scammers. The FTC explains the registry’s limits in its National Do Not Call Registry FAQs.

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