Fix ‘This Phone Number Cannot Be Used for Verification’ issue on Gmail?

This phone number cannot be used for verification
This phone number cannot be used for verification

When trying to verify an online account, I may encounter the roadblock of my phone number being deemed unusable for verification.

This can be especially confusing and frustrating when the number I’m using is valid and I’ve had no previous issues with it.

This issue of phone number verification is a common hurdle in today’s digital world where securing accounts and ensuring user identity is paramount.

The reasons for a phone number being rejected for verification are numerous. They can range from the number being recently deactivated, the service provider labeling it as invalid, to the number having been flagged for suspicious activity. Additionally, if I’m using a Voice over Internet Protocol (VoIP) number or certain VPN services, the verification system might not accept the number due to security protocols aimed at preventing fraudulent activities. Understanding the common issues can guide me to effectively troubleshoot and find alternative methods to verify my identity and secure my accounts.

Understanding Verification Issues

When a message indicates “This phone number cannot be used for verification,” it can be perplexing. I’ve learned that several factors are usually at play.

A primary reason is often the number’s previous association with numerous accounts, which triggers a security measure to prevent misuse. Here’s a breakdown of the common issues:

  • Invalid Format or Typos: Always ensure the number is in the correct format and free of typing errors.
  • Multiple Associations: If a number is already linked with several accounts, it may be restricted.
  • Unsupported Regions: Some services may not support numbers from certain countries or carriers.
  • Network Issues: Temporary network glitches can also cause verification failures.
  • Blacklisting: Numbers involved in malicious activities might be blacklisted, hence unusable.

My approach to troubleshooting involves:

  1. Double-check the number for accuracy.
  2. Verify carrier support and regional availability.
  3. Ensure network stability when attempting verification.
  4. If necessary, try a different number not previously used for verification.

It’s important to note that using VPNs or similar services might result in verification problems due to location discrepancies; service providers expect the phone number to match the geographic location of the IP address.

Remember, these steps aim to maintain account security while providing a seamless user experience.

How to fix “This Phone Number Cannot Be Used for Verification” on Gmail?

This phone number cannot be used for verification
This phone number cannot be used for verification

When I encounter verification errors with my phone number, the first thing I check is the format of the phone number. It’s essential to ensure that the country code is correct and that there are no spaces, hyphens, or letters within the number.

Common Issues:

  • Incorrect Format: Phone numbers should be in international format.
  • Blocked Numbers: Sometimes, my phone’s blocking settings prevent verification messages from being received.
  • Carrier Restrictions: Certain phone carriers may have restrictions on receiving automated texts which are used for verification processes.

Steps for Troubleshooting:

  1. Check Number Format: Verify the phone number is correct and includes the appropriate country code.
  2. Review Blocked Numbers: I access the phone settings to make sure the number isn’t blocked.
  3. Contact Carrier: If necessary, I reach out to my carrier to confirm if there are any restrictions in place that might prevent verification messages.

Alternative Solutions:

  • Using a different phone number that has not yet been used for verification.
  • Checking the service’s help center for any specific restrictions regarding the use of phone numbers for verification.

By following these steps, I can usually resolve most phone number verification errors.

Verification Process Overview

When I sign up for an online service or attempt to recover an account, I typically encounter a phone number verification step. This process serves as a security measure, ensuring that I am the legitimate user and providing a way to recover my account if necessary.

The steps I follow are generally consistent across most services:

  1. Enter Phone Number: I input my phone number into the given field.
  2. Receive Verification Code: The service sends a text message with a code to the number I provided.
  3. Submit Verification Code: I enter the received code into the verification field on the service’s website or app.

Occasionally, I might receive a message indicating that my phone number cannot be used for verification. This message could be due to various factors such as:

  • The phone number has been used too many times for verification purposes.
  • The format of the phone number is incorrect (e.g., missing or erroneous country code, unnecessary spaces, or hyphens).
  • The use of VoIP or disposable phone numbers, which some services may not accept.

Understanding that valid, accurately-formatted phone numbers occasionally face verification issues, I can explore alternative verification methods provided by the service or reach out to their support for resolution.

Contacting Support for Resolution

When I face the issue “This phone number cannot be used for verification,” my first course of action is to contact support for a resolution. I follow these steps to reach out for assistance:

  • Visit the Google Support Page: I navigate to the Google Support page where I can find various support options. I locate the ‘Contact Us’ or ‘Help Forum’ sections.
  • Choose the Relevant Service: Since the issue pertains to Gmail, I select this service from the list of Google products to get the most relevant support.
  • Detail the Issue: In the support form, I provide a clear and concise description of my issue with the phone number verification, making sure to include any error messages I have received.
Information to Include Details
Email Service Gmail
Issue Type Phone number verification
Error Message Exact wording of the error encountered
Prior Attempts Steps already taken to resolve the issue
  • Follow Instructions Provided by Support: I carefully follow any instructions provided by the support team, as these will be specific to my situation and the nature of the issue.

By following these guidelines, I ensure I have taken the correct steps to resolve the verification issue with support’s assistance. It is important to be patient while awaiting a response, as support teams often handle a high volume of inquiries.

Frequently Asked Questions

When tackling issues with phone number verification, understanding the common queries and problems encountered is crucial.

Why does Google reject certain phone numbers for verification purposes?

Google may reject phone numbers if they are flagged for unusual activity, such as being used excessively for verification purposes or identified as virtual or temporary numbers, which is against Google’s security protocols.

How can one resolve issues with phone number verification when setting up an account?

To resolve issues with phone number verification, I recommend ensuring the number is entered correctly without any formatting errors, checking if the number is already in use on another account, or trying a different number that hasn’t been frequently used for verifications.

What steps can I take if I get an error stating my phone number cannot be used at this time?

If I get an error, my initial step would be to wait and try again later, as the issue could be a temporary system limitation. Alternatively, using a different phone number or contacting support for the service I am trying to use might resolve the problem.

Can I bypass phone number verification, and are there alternative methods?

Bypassing phone number verification is not generally recommended or feasible, as it is a security measure. Some services might offer alternative methods like email verification or security questions, but this varies by platform.

What are the reasons a phone number might be rejected for verification on websites like Gmail or Alibaba?

Websites like Gmail or Alibaba may reject phone numbers for reasons similar to Google’s, such as suspicion of number spoofing, repeated use in account creation, or when the number is from an unsupported country or region.

Are there specific requirements for phone numbers used in two-factor authentication?

For two-factor authentication, phone numbers typically need to be capable of receiving SMS or voice calls. It’s important that I use a personal and secure number because it’s a key part of maintaining the security of my account.

Posted by
Eric Pascarello

Eric Pascarello from has been the Senior Editor for TechNerdish since quite some time now and he regularly shares how passionate he is about new technology with everyone via this blog.

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