Spammed by a Local Call? Here’s How to Stop Neighbor Spoofing

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Neighbor spoofing is spam callers’ newest trick. Here is how you can beat them at their own game.

As apps like RoboKiller get better and better at blocking unwanted spam, telemarketing, and robocalls, it only makes sense that the bad guys would get more sophisticated as they try to separate you from your hard-earned dollars. Introducing, neighbor spoofing.

Neighbor spoofing is one of the latest strategies of spam callers worldwide, and it is designed to trick you into answering the phone. Neighbor spoofing is not only illegal, but it is also a massive threat to the security of your personal information.

In this post, we will cover everything you need to know to effectively stop neighbor spoofing.

  1. What is neighbor spoofing?
  2. How does neighbor spoofing work?
  3. Why is neighbor spoofing a threat to your safety and privacy?
  4. How can you stop neighbor spoofing, for good?

What is neighbor spoofing?

Neighbor spoofing, otherwise known as NPA-NXX spoofing, is a form of caller ID spoofing used by telemarketers, scammers, and robocallers. Neighbor spoofing uses auto-dialing and VoIP (Voice Over Internet Protocol) services to send unsolicited phone calls with an outgoing Caller ID that closely matches your area code and phone number.

By mimicking their caller ID as closely as possible to the phone number they are placing the call to, spammers can trick more of their targets into answering the phone. This strategy ultimately increases the odds spammers will be successful in stealing from more people over the phone.

How does neighbor spoofing work?

Back in the time before mobile phones (really, there was once a time), phone numbers were given out on a local basis. Just by looking at a phone number it was easy to associate a rough location with the number.  

So if your phone number was 203-950-2317, anyone could guess that your 203 area code (“NPA” in technical jargon) put you in Connecticut, and your 950 local exchange (“NXX” in technical speak) put you in a specific town.

The same process is still valid today to some extent, but as area codes and exchanges get crowded, and as people move between cities while keeping their old numbers it is becoming less exact. So, if your area code is 908 and your local exchange is 555, your NPA-NXX would be 908-555.

Here is how you can identify your phone number’s NPA-NXX to identify incoming neighbor spoofed spam calls:

stop neighbor spoofing

The way neighbor spoofing works is simple. The spammers use a third-party call spoofing technology to call your phone while showing a phone number that appears to be from your specific area code or NPA-NXX. The technology spammers use then allows them to send a high volume of neighbor spoofed spam calls all at a push of a button.

Neighbor spoofed spam callers do this in hopes they will trick you into answering because it looks like a phone number you might recognize. Often enough, it works, because people would prefer to take a chance at dealing with a spammer than miss an urgent phone call.

Spammers use neighbor spoofing to play mind games

stop neighbor spoofingPsychologically, when we see an incoming call from a number that starts with the same six digits as our own, we are much more likely to answer it. Wouldn’t you?

It is easy to be duped by this ingenious and villainous ploy. Neighbor spoofed spam calls look and feel like a regular phone call. They typically happen during the day, and look precisely like they are from the same neighborhood as us.  

It is entirely rational to confuse a neighbor spoofed spam call for a call from your kid’s school, the doctor, or another critical message that you do not want to miss. But, that psychology is the exact thing that the spammers are taking advantage of in this new scam.

Neighbor spoofed spam calls do not contain significant updates that are designed to help you or your family in some way. Neighbor spoofing is illegal, and is intended only to steal something from you; your time, your money, your identity, and your security.

How can you stop neighbor spoofing, for good?

stop neighbor spoofing

Neighbor spoofed phone calls are a wolf in sheep’s clothing and a nuisance in our busy lives. And, if that is not enough, the unfortunate reality is that few practical solutions will stop neighbor spoofing for good.

One well-known solution to block these spam calls manually is to block all calls from your NPA-NXX, and yes, that will do the trick. But, that solution is equivalent to squashing an ant with a sledgehammer: too much tool for the job and very messy.  It will also likely cause some severe collateral damage, like missing necessary, legitimate calls that do share your NPA-NXX.

So, what to do? Wouldn’t it be great if you could block these calls based not just on the phone number, but by knowing what is happening in the actual call?

Luckily, there is a solution that can do just that. Robocall blocker apps! Downloading an app to block spam calls on your iPhone or Android smartphone is the most effective solution to combat dangerous neighbor spoofing. 

Not only do robocall blocker apps let you determine what calls you believe to be spam (spam calls can come from people you know, too!), it creates a nationally sourced database of prominent NPA-NXX phone numbers that are likely being used for phone scams & illegal robocalls.

Follow these simple steps to stop neighbor spoofing on your smartphone:

  1. Go to the Apple App Store
  2. Search for “RoboKiller”, Tap “Download”
  3. Open the RoboKiller App
  4. Select the Green “Continue” Button
  5. Enter Your Mobile Phone Number to Begin Activation


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RoboKiller is the #1 solution to stop your neighbor spoofing problem

RoboKiller is the #1 app to stop the neighbor spoofing madness. Unlike most robocall blocker apps, RoboKiller is designed to the tool used in your valiant fight against illegal scammers, spammers, and robocallers. Beyond offering the most effective neighbor spoof blocking technology, RoboKiller lets you take revenge on the illegal spammers responsible for the epidemic.

RoboKiller uses a highly sophisticated (and also patented and award-winning) Audio Fingerprinting system that analyzes the audio of every single spam call – because while the numbers may be spoofed, the actual call is almost always the same if it is a robocall or even a call center somewhere in another country.

RoboKiller uses a “fingerprint” to tell you if the call is from a good guy or a bad guy – regardless of the phone number it appears to be originating. What does that mean for you? RoboKiller can tell you which NPA-NXX calls are the ones you want and which you don’t – a sniper rifle solution instead of that sledgehammer.

Best of all, this feature is in RoboKiller today (and has been there all along) so there is nothing you need to do except sit back and know that with RoboKiller you are getting the industry’s best annoying and unwanted call protection.

With RoboKiller, you don’t just fight neighbor spoofing. You take action in the fight against the robocall epidemic.

Wouldn’t the world be a better place if telemarketers and spammers finally closed their doors, because trying to steal from us over the phone was no longer an attractive business model for them?

When you use RoboKiller, you do not just block neighbor spoofing from reaching your smartphone. You make a significant impact on the worldwide epidemic of illegal spam calls, and help prevent other individuals from getting scammed over the phone.  

One RoboKiller users drain financial resources, countless hours, and erodes the morale of unlawful spam callers. Each year, the 70,000+ people who trust RoboKiller’s powerful spam call protection, drain over 10,000 hours of spammers time.

As more users join RoboKiller, our impact in the fight against spam callers increases. If you value a smartphone free of illegal neighbor spoofed calls and are motivated to participate in the battle against spam calls, we highly recommended you try RoboKiller today.

Start your free one-week trial of RoboKiller!

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