The Best Second Phone Numbers for Account Verification

Plenty of websites and apps ask for a phone number when you sign up or verify an account. You may not want your personal number tied to every one of them.

A second phone number can keep your primary number out of those signups while still giving you somewhere to receive verification texts. The catch is that some platforms only accept mobile numbers, so not every second number will work everywhere.

If account verification is your main reason for getting another number, here’s what to know before you choose one:

Can You Use a Second Phone Number for Account Verification?

As long as the platform accepts the type of number you’re using, then yes, you can use a second phone number for account verification.

Second number apps typically provide a virtual number. These work well for calls and texts, and many can receive verification codes. However, individual platforms decide which numbers they’ll accept, and unfortunately, some do block virtual numbers.

On the other hand, a carrier-backed second number is different. It works like another mobile line on your phone, making it a better fit when reliable access to verification texts and two-factor authentication is important.

That’s why it’s worth checking the type of number you’re getting rather than choosing an app based on price alone.

Best Second Phone Number Apps for Account Verification

Burner

Best For: Someone who wants a private second number with account verification as a primary use case.

Burner offers a Verified Number specifically for people who need a second number for account creation and verification. Unlike a Standard Burner plan, a Verified Number acts more like a mobile number and is generally accepted by more websites that may otherwise reject virtual numbers.

Verified Numbers support unlimited calls, texts, and MMS, so you can still use the number for regular communication without sharing your primary number. Additionally, Verified Numbers have broader compatibility with platforms like Instagram, Facebook, and Amazon. However, no second-number provider can guarantee acceptance by every third-party platform.

Burner also offers Dual SIM for users who want a carrier-backed second line rather than another number inside the Burner app. Dual SIM runs on phone provider networks and can receive 2FA codes from services that only accept mobile numbers.

A Verified Number requires a separate subscription and is limited to one per customer. Which Burner option makes sense ultimately depends on whether you want a number primarily for verification or a full second mobile line on your phone.

Google Voice

Best For: Someone who wants a general-purpose second number and doesn’t need guaranteed verification compatibility.

Google Voice provides a U.S. phone number for calling, texting, and voicemail through the Google Voice app or website. For personal use, you can choose an available number and connect it to your existing phone.

Because Google Voice numbers aren’t mobile-classified, verification is less predictable. Some websites accept Google Voice numbers and send verification texts normally, while others flag the number type and require a different mobile number.

One advantage is that Google Voice works well as a longer-term second number rather than one for short-term use. However, Google can reclaim free Voice numbers after extended inactivity, with advance notice to the user.

Related: Burner vs. Google Voice

Hushed

Best For: Someone who wants a flexible second number for calls and texts with occasional verification use.

Hushed provides second numbers for private calling and texting without requiring another phone. Numbers are available in multiple countries, and plans range from shorter-term options to longer-term subscriptions.

For verification, Hushed is clear that results vary. Its numbers may receive verification codes from some third-party services, but Hushed doesn’t guarantee compatibility with platforms such as banks, social networks, email providers, or other services that commonly restrict virtual numbers.

Hushed may make more sense if you primarily need a second number for calls and texts and only occasionally use it for verification. If receiving 2FA codes is your main priority, the inconsistency may be a drawback.

Related: Burner vs. Hushed

TextNow

Best For: Someone looking for a low-cost second number who doesn’t need universal verification support.

TextNow provides a second number for calling and texting through its app, including a free ad-supported option. It also offers paid plans and wireless service with a TextNow SIM.

Verification support depends on how you’re using the service. TextNow notes that most verification codes require an eligible paid subscription or an activated SIM, and even then, some third-party services may not accept TextNow numbers.

A free tier makes it accessible for basic second-number use, but users who specifically need verification codes should check the current plan requirements and whether the service they’re verifying accepts the number.

A Second SIM or Dual SIM From Your Carrier

Best For: Someone who prioritizes a traditional mobile line and plans to keep the same second number long term.

If you’d prefer to skip the second-number app, you can add another mobile line through a wireless phone service provider. On a Dual SIM-compatible phone, both numbers can operate on the same device.

Because the second number is a standard mobile line, it’s generally more widely accepted by services that usually restrict virtual numbers. It can also be a good option if you plan to keep the number attached to important accounts long-term.

The downside is that you’re adding another cellular line instead of subscribing to a second-number app for as long as you need it. Pricing, setup, and available features also vary by provider and plan.

Why Do Some Sites Reject Virtual Numbers?

Some websites and apps restrict virtual numbers as part of their security and fraud-prevention measures. When you enter a phone number, the service may be able to identify whether it belongs to a mobile carrier, landline, or virtual number provider.

If a platform requires a mobile number, it may reject a standard virtual number before it even sends a verification code. At the same time, as we mentioned above, other platforms accept virtual numbers without an issue. This is why the same second number might work for one account but not the other.

This also means that trying several different virtual numbers may not solve the problem, either. If the platform requires a mobile or otherwise supported number, you’ll need a number that meets those requirements.

Virtual vs. Mobile Numbers for Verification

The main difference comes down to how the number is classified and how widely third-party services accept it. Here’s a brief overview if you need to quickly run through the comparison:

Neither option is universally perfect for every situation. A virtual number may be enough for everyday accounts that accept them, while a carrier-backed line may make more sense when broader verification compatibility is important.

Second Phone Number for Verification FAQs

Can I use the same second number to verify multiple accounts?

It depends on the platform. Some services limit how many accounts can be linked to the same number, while others allow you to use a number more than once. The website or app you’re signing up for sets those restrictions.

What happens if I lose access to the number I used for verification?

You may have trouble receiving future security codes or recovering your account. If you use a second number for an important account, keeping access to that number can make password resets and future identity checks easier.

Will changing my second number affect my accounts?

Potentially. If an old number is still attached to an account, verification or recovery codes continue going to it. Before changing or deleting a second number, update the phone number on any accounts that still use it.

Do verification codes cost extra to receive?

Extra costs depend on the second-number service and plan. Some plans include incoming SMS messages, while others may limit them or require additional steps to receive verification texts. Check what’s included before choosing a number primarily for this purpose.

Keep Your Personal Number Out of Your Online Accounts

You shouldn’t have to use your personal phone number every time a website or app asks you to verify an account. Using a second number gives you a little more distance between your online activity and the number you use every day.

Burner makes it easy to create that separation without carrying another phone. A Burner Verified Number is designed for broader acceptance by third-party services, giving you a private second number you can use for account verification, texts, and calls. And if you need a carrier-backed second line, Burner Dual SIM lets you add one to a compatible phone.

Keep your personal number for the people you actually want to have it; get a second number with Burner for everything else.