This Phone Number Cannot Be Used for Verification (Solved)

Last Updated: August 30, 2023By
Man using phone and laptop

Phone number verification has become an essential part of our digital experience. As we sign up for various online platforms, from social media to banking, we’re often asked to provide our phone number as a security measure.

This not only establishes a line of trust between the user and the service but also offers a secondary means of account recovery should the need arise. Yet, many users encounter a hurdle in this process – receiving a message that says “this phone number cannot be used for verification.”

This can be a source of confusion and frustration. Throughout this article, we’ll dive into the reasons behind this message and how to navigate it effectively.

Why Phone Number Verification is Important

Phone number verification has swiftly become a cornerstone in the realm of online security and user validation. As digital threats escalate and the virtual landscape evolves, the need for a reliable means of verifying users grows.

Let’s explore the significance of this procedure and its multifaceted benefits.

Security Enhancement

Phone number verification provides an added layer of security. By linking an account to a specific phone number, it becomes increasingly challenging for unauthorized users to gain access.

Platforms can send alerts or require additional authentication steps via SMS when a suspicious login attempt occurs, ensuring that only the rightful account owner gains entry.

Ensuring User Authenticity

When users register for an online service or make purchases, businesses need assurance about the genuineness of the user. Phone number verification acts as a filter, weeding out bots, automated scripts, and potentially malicious entities.

By confirming a user through their phone number, platforms can maintain a higher quality user base and prevent fraudulent activities.

Account Recovery

Almost everyone, at some point, has forgotten a password or faced situations where they couldn’t access their accounts. In these instances, having a phone number linked to an account can be a lifesaver.

Users can receive recovery codes, password reset links, or other essential information through SMS, facilitating a smoother and more secure account recovery process.

Reduction in Spam and Bot Registration

Bots and automated scripts have become advanced, often mimicking human behavior to create accounts en masse. These fake accounts can spam platforms, skew analytics, and even pose security threats.

By requiring phone number verification, platforms drastically reduce the potential for these bots to create accounts, thereby maintaining the integrity of their user community.

Verification as Trust Building

Trust is essential in the online world. When businesses implement phone number verification, it sends a message to users that their safety and security are taken seriously.

This, in turn, fosters confidence in the platform and can enhance user loyalty and engagement over time.

By understanding the fundamental reasons for phone number verification, users and platforms alike can appreciate its critical role in today’s digital ecosystem.

Common Reasons for the ‘Cannot Be Used for Verification’ Message

Encountering a message that one’s phone number cannot be used for verification is a frequent roadblock many users face when trying to access online platforms. To approach this issue with clarity, it’s essential to comprehend the underlying causes behind this message.

Here’s a detailed look at some of these reasons.

Use of VoIP Numbers

VoIP (Voice over Internet Protocol) numbers are phone numbers that operate over the internet rather than through conventional phone lines. Many online platforms and services are wary of these numbers due to their accessibility and the ease with which they can be acquired.

As a result, these numbers often face restrictions or outright bans from being used for verification purposes.

Overuse of a Single Number

Online platforms typically monitor the frequency with which a number is used for verification. If a phone number has been employed repeatedly across multiple accounts in a short span, it may be flagged.

This precaution helps platforms deter suspicious activities, like mass account creation, which could be indicative of spam or other malicious intent.

Unsupported Carriers or Phone Types

Not all phone carriers are created equal, at least in the eyes of certain online platforms. Some carriers might be deemed less reliable or secure than others.

As a result, numbers associated with these carriers might be restricted. Similarly, certain types of phone numbers, such as those designated for landlines or specific commercial purposes, might be unsupported for verification.

System Errors or Bugs

While technology has advanced tremendously, it’s not infallible. Sometimes, users might face verification issues due to glitches, errors, or temporary system outages. 

These issues are generally not the fault of the user’s phone number but rather a transient problem on the platform’s end.

Regional Restrictions

Geography plays a role in the digital world. Some platforms may restrict or limit verification capabilities based on the user’s location.

For instance, numbers from certain countries or regions might be excluded due to regulatory considerations, heightened security risks, or other platform-specific reasons.

Recognizing the potential causes behind the verification message is the first step to resolving it. With this knowledge, users can be better equipped to address the issue and ensure a smoother online experience.

What To Do When Encountering This Message

Woman using phone and laptop

Encountering a “cannot be used for verification” message can be frustrating, especially when one is keen on accessing an online service swiftly. However, with the right approach and understanding, you can effectively address this challenge.

Below are some steps and solutions to consider when faced with this message.

Review the Phone Number Entered

Before taking any drastic measures, it’s always wise to double-check the basics. Ensure that you’ve entered the number correctly, without any typographical errors. 

Sometimes, a simple oversight can be the root of the issue.

Reconsider the Use of VoIP Numbers

If you’re using a VoIP number, it’s worth noting that many platforms don’t support them for verification purposes. Switching to a personal and direct mobile number might be the immediate solution you need.

Wait and Attempt Again

In the event of a temporary system error or if the platform’s verification process is momentarily overwhelmed, waiting for a short period and then trying again can be beneficial. Sometimes, a bit of patience can resolve the issue.

Opt for a Different Phone Number

Consider using an alternate phone number if a particular number continually faces verification issues. Employing a number from a different carrier or phone type might be helpful, as these factors can sometimes influence verification success.

Reach Out to Platform Support

Should you find yourself continually stumped by the verification message, it might be time to get in touch with the platform’s customer support. They can often shed light on the specific reason your number isn’t being accepted and might provide solutions tailored to your situation.

Explore Alternate Verification Methods

Many platforms offer more than one way to verify an account or identity. If phone number verification is proving to be a hurdle, see if the platform provides alternate methods such as email verification, authentication apps, or even physical security keys.

Leveraging these alternatives can provide a seamless way forward.

Armed with these steps and strategies, users can feel empowered to overcome the challenges posed by phone number verification messages and ensure a smooth and secure online experience.

How To Prevent This Issue

Running into the “cannot be used for verification” prompt can be a hiccup in one’s digital journey. Yet, with some foresight and best practices, users can minimize the likelihood of encountering this issue.

Here’s a guide on preventive measures to take for a smoother verification experience.

Maintain Personal and Direct Phone Numbers

One of the easiest ways to avoid verification issues is by using personal, direct phone numbers. Shared, public, or generic numbers are more prone to face restrictions. 

Ensure your number is unique to you, ideally a personal mobile number, as these tend to have the fewest complications.

Limit Frequent Changes

Frequently changing the phone number associated with an account can raise flags for online platforms. It’s wise to choose a reliable, long-term number for verification purposes and stick with it.

This consistency not only simplifies the verification process but also builds trust with the platform.

Track Verification Uses

By keeping an informal log of which platforms and services you’ve used a specific phone number for, you can be mindful not to overuse it. This proactive approach can prevent a number from being flagged due to excessive use.

Stay Updated on Platform Guidelines

Online platforms often have guidelines or FAQs that detail their verification processes. Staying informed about these can offer insights into which numbers are accepted, any regional restrictions, and other specifics.

This knowledge can guide you in providing a number that meets their criteria.

Avoid Temporary or Disposable Numbers

Using temporary or disposable numbers might be tempting, especially when signing up for services you’re unsure about. However, these numbers are often flagged by platforms for their transient nature.

Relying on more permanent numbers can save you from verification headaches down the line.

Regularly Review Account Details

It’s a good practice to periodically review and update account details. By ensuring your phone number and other essential details are up-to-date, you can preemptively tackle any issues that might arise during sudden verification requests.

Taking these preventative steps can significantly reduce the chances of running into verification obstacles. Through a combination of awareness, consistency, and attentiveness, users can cultivate an online presence that’s both secure and hassle-free.


Phone number verification stands as a crucial component in our digital world, acting as a gatekeeper for security, authenticity, and user trust. While challenges like the “cannot be used for verification” message can momentarily disrupt our online activities, awareness of their causes and solutions empowers users to address them efficiently.

Adopting best practices and preventive measures further ensures a seamless experience. At the heart of it all, prioritizing phone number verification reflects a commitment to digital safety, trust-building, and an enhanced user experience.