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Home Blog Online Safety Sign up for Spam Calls and Texts: Your Safety Guide
How to Sign Someone Up for Spam Calls
Online Safety
Updated Mar 11, 2026
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Sign up for Spam Calls and Texts: Your Safety Guide

NOTE: The information mentioned in this review is only for educational purposes, to inform you about the problem of spam calls and help you safeguard yourself and not become a victim. Any actions taken based on this information are the sole responsibility of the individual.

Have you ever wondered how to sign up for spam calls and texts? Spam calls are a growing problem that irritates and bothers thousands of people who receive them. Whether it is a scam, a robocall, a prank, or a way to annoy someone, if you are reading this article, then the reason is that you have already faced one on your road. 

In this review, you will find out all about spam calls, their legality, and how to sign someone up for spam calls. uMobix experts will help you handle online security challenges like a pro. Ensuring the information mentioned in this article is used thoughtfully and within legal boundaries is essential.

Is It Illegal to Sign Someone Up for Spam Calls?

In short, no, it is not. The CAN-SPAM Act – an anti-spam law – was enacted on December 16, 2003. It was enacted to establish rules for commercial email, including requirements for opt-out mechanisms and penalties for violations. 

Spam is illegal, but many people still receive spam text messages because they ignore the laws, and most of these messages are not considered spam. The CAN-SPAM Act sets guidelines for sending emails, including a rule against misleading header information, deceptive subject lines, and more.

If you sign up for a mailing list, it’s not considered spam. Many people end up on lists and get newsletters in their inboxes. When you sign up online, a box asks if you want to receive emails. It’s not spam if you agree because they asked for your permission, so bear in mind this information. However, these emails must include an “unsubscribe” link so you can:

  • Stop receiving them whenever you want.
  • Unsubscribe easily, as required by law.

What about spam calls, also known as robocalls? Are they illegal? What happens when you sign up for spam calls? As per the Federal Communications Commission (FCC), which “regulates interstate and international communications by radio, television, wire, satellite, and cable in all 50 states, the District of Columbia, and U.S. territories”, scam calls, including illegal robocalls and spoofed calls, are not legal. The FCC is actively cracking down on these calls by enforcing fines, allowing phone companies to block them, and requiring caller ID authentication to reduce spoofing. 

5 Ways to Sign Someone Up for Spam Calls Now to Protect Yourself in the Future

How anonymously sign someone up for spam calls

So, how to sign someone up for spam calls? If you do not want to become a victim of scam calls, you should know about the tactics people use to sign someone up for spam:

  1. Automatic number identification: When you dial toll-free numbers such as 855, 800, 877, 888, or 833, you usually connect to businesses or services that use them. Toll-free means the person or company you’re calling pays for the call, not you. However, some of these numbers can automatically add your phone number to spam call lists. It means that you give your number and automatically sign up for spam calls. Your number might be shared with others who will send you unwanted spam calls once you call. 
  2. Surveys and giveaways: Have you ever noticed businesses encouraging their audience to take online surveys and win prizes or enter giveaways? These are all cunning tricks to obtain your personal data, such as contact information (email addresses, cell phone numbers, etc.). Once you participate, you will regularly receive emails, text messages, or calls from them. And that is how you can anonymously sign someone up for spam calls.
  3. Telemarketing campaigns: This method is similar to the previous one, but instead of signing up for online surveys, you provide your phone number to telemarketing services. Some websites, especially those for banks, insurance companies, and investment firms, will likely start telemarketing once you share your number. The fact is, today, telemarketing calls use programs to use fake phone numbers to bypass the laws. So, it is almost impossible to stop it. 
  4. Social media platforms, forums, and groups: If you share a cell phone number on any online platform, such as Facebook, LinkedIn, Twitter, review sites, or forums like Quora, you will automatically sign up for spam calls. Your phone number will be instantly accessed by scammers or people with malicious intentions, who’ll later use it or even sell it to other companies for scamming or spamming. 
  5. Dating apps, online games, and adult sites: If you share a cell phone number on any of the dating apps, online games, or adult sites with unknown users, you will sign up for spam calls. Malicious individuals may use it to call you, harass you, or send explicit content. So, if you do not want to, avoid this mistake. 

How to Sign Someone Up for Spam Texts?

How to sign someone up for spam texts

Well, here are the ways scammers may sign up phone number for spam texts:

  1. Telemarketing campaigns: This method works not only for spam calls but also for messages. Some businesses or marketing agencies send mass text messages to promote products, services, or events. These texts usually include ads or special offers and are sent to many people without their permission. This practice, known as SMS marketing, is often carried out using automated systems that can send thousands of messages at once.
  2. Clicking links: If you click on suspicious links in emails, pop-up ads, or other texts, you will expose your number and sign-up phone number for spam texts.
  3. Random number generation: Spammers often use software to generate random phone numbers to target.
  4. AutoSender: Wanna know how to sign someone up for spam texts? Use AutoSender. It’s a tool that automatically sends multiple text messages to one or more phone numbers simultaneously. It works by scheduling and sending texts in bulk, often used for marketing, reminders, or even pranks. It is commonly called a “text bomb”, where many messages are sent quickly to overwhelm the recipient’s phone. 
  5. Respond to spam messages: Replying to spam texts, even by saying “STOP”, can confirm your number is active, increasing spam.

So, now that you know how to sign someone up for spam texts, it will be easier to avoid them and not become a victim. 

Expert advice – protect your loved ones with uMobix

Don’t let spam or unwanted calls harm your family – uMobix gives you control

Try uMobix

What to Do If Someone Signs You Up for Spam Calls and Texts?

Well, what should you do if you have noticed that you have become a victim of spam calls or texts? Here are the methods that will help you solve this problem.

Call Blocking Tools

If you notice that you are one of the victims of scam calls, you will need to activate a call-blocking feature on your phone or tablet. Most modern devices have built-in tools to block unknown or suspicious numbers. You can also download third-party apps like uMobix to help you block spam calls. 

Sign Up with the National Do Not Call Registry

Sign up with the National Do Not Call Registry to reduce unwanted telemarketing calls. While it may not stop all scam calls, it will be impossible for telemarketers to contact you. However, note that other organizations, such as political groups, charities, debt collectors, and surveys, may still call you. 

Report Unwanted Calls

If you receive a spam call, report it immediately to the Federal Trade Commission (FTC) at reportfraud.ftc.gov. It will help you track and penalize offenders, making it harder for scammers to operate.

Do Not Answer

It is the simplest way of not being taken by scammers. Not answering calls from unknown or suspicious numbers protects you from scams by preventing accidental engagement with fraudsters. Letting calls go to voicemail gives you a chance to verify their legitimacy. This simple step reduces your risk of falling victim to phone scams.

Use uMobix Restrict Calls Feature to Protect Your Loved Ones from Spam Calls

uMobix cell phone tracker

uMobix is great software for anyone who wants to protect themselves, their kids, and their loved ones from webcam attacks. It is not only about blackmailing, cyberbullying, catfishing, or chatting with strangers. uMobix, once installed on the target cell phone (an imperative requirement), can restrict calls from any contact. 

So, using the restrict calls feature offered by uMobix, you will be able to:

  • Provide your kiddo with a safe and sound environment when navigating online. 
  • Do not let any suspicious individuals contact and harass your child. 
  • Block calls to malicious individuals you find in your child’s contact list. 
  • Restrict any cell phone number you find suspicious remotely. 

How to block restricted calls on your kid’s phone or tablet?

  1. Create an account on the uMobix website. 
  2. Choose your kid’s phone OS. 
  3. Get a detailed installation manual. Follow it to set up the app. 
  4. Log in to your user space and, using the navigation panel, choose the phone numbers you want to restrict. That’s it. 

Have you noticed late-night calls your kid receives that change their behavior and cause stress? Well, you can block those numbers and be sure that no dubious personalities will contact your kid by phone. 

Text Message Tracker 2

Annoyed with spam calls and texts? Safeguard your family now

Take charge of your family’s safety and block suspicious calls and messages with uMobix

Restrict Calls with uMobix

Have you signed up phone number for spam texts? Wanna know how to stop spam texts? Well, uMobix will help, too. What can you access with uMobix, and how can it help you with spam texts?

  1. You will see all deleted, sent, and received text messages shared through SMS, MMS, social media platforms (Instagram, Facebook, Twitter, TikTok, etc), instant messaging apps (Skype, Telegram, Viber, SnapChat, WeChat, Line, Zoom, WhatsApp, etc.), dating apps like Tinder, and even emails. 
  2. Get info on cell phone numbers that sent these messages.
  3. Get info about the time and date each message was sent, received, and deleted. 
  4. View media files, passwords, and other sensitive data they may share when online. 

Your kid won’t suspect anything, and you will stay aware of their interactions. If you notice anything suspicious, you can block suspicious cell phone numbers so they can’t access your kid again. Moreover, you can block access to certain websites or apps if they are harmful. 

uMobix is a universal solution for everyone who knows how valuable and important private data protection is.

Conclusion

It is difficult to say which of the combat methods listed in this review to sign up for spam calls is the most effective. However, you must use them all to ensure you and your loved ones are safe and sound online. For an extra layer of security, use uMobix – it will not only help you detect suspicious phone numbers but also provide real-time updates on call activity, monitor messages, location data, and more – everything you need for a stress-free and secure digital experience.

FAQ

Yes, signing someone up for spam calls without their consent is illegal in many countries. In the United States, the Telephone Consumer Protection Act (TCPA) and the FTC's Telemarketing Sales Rule strictly prohibit unsolicited calls and robocalls without prior consent. Deliberately registering someone else's number for spam or telemarketing calls can be considered harassment and may result in serious legal consequences including fines and civil lawsuits. If you are a victim of unwanted spam calls, you can report them to the Federal Trade Commission (FTC) or register your number on the National Do Not Call Registry to reduce unsolicited calls.

There are several ways to find out who called you from an unknown phone number. Type the number into a search engine, as many numbers are linked to businesses or reported by other users on public directories. Use reverse phone lookup tools like GEOfinder. You can also check social media platforms by entering the number in the search bar, as some users link their phone numbers to their profiles. Use uMobix Restrict calls feature to block spam numbers.

Clicking on suspicious links in emails, pop-up ads, or unknown messages can expose your number to spammers. In many cases, scammers simply use software to randomly generate phone numbers and target them in bulk. Even replying to a spam text, including sending "STOP," can confirm that your number is active and result in even more unwanted messages. Being aware of these tactics makes it easier to stay vigilant and avoid becoming a victim.

Author avatar image
Harry Nichols
author

Harry is a father and a professional digital security consultant who has dedicated his career to helping parents control their children's internet activity. In this blog, he provides valuable tips and recommendations on effectively using programs and tools for parental control. Harry aims to support parents in creating a safe and healthy digital environment for their children.

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