Use TwinNumber with Found.
Banking with Found from outside the U.S.? Use a real U.S. mobile number for sign-up, sign-in codes and the account alerts that follow.
- What we tested
- Receiving SMS verification codes
- Line type
- Mobile
- Last tested
- Oct 12, 2026
We re-test Found regularly and update this date.
What Found uses your number for
- Found may ask you to verify your phone number with a code when you sign up.
- Logging in on a new device needs verification.
- Resetting your password sends a code to the phone number or email on your account.
Add your TwinNumber on Found
- 01
Open Account settings
Select the Settings icon, then the Gear icon in the top-right corner.
- 02
Edit Phone
Tap the pencil icon next to Phone and confirm with a code sent to your phone or email.
- 03
Verify the new number
Enter the new number, select Save, then type the code sent to it.
Why the line type matters
Banks often check whether a number is mobile, landline or VoIP before sending a code, and many turn VoIP numbers away. TwinNumber numbers are registered as mobile.
Why banks reject Google Voice →Questions
What if Found's sign-up text never arrives?
Click Call Me on the verification screen to get the code by phone call, or use Change phone number there to try a different number.
I have a new phone and a new number. How do I update Found?
Log in first on a device you've used before, such as your computer, and change the number from there. If you've also lost access to your email, write to help@found.com.
Do I need to live in the U.S.?
No. TwinNumber works from 150+ countries with just a browser and an internet connection.
Is TwinNumber affiliated with Found?
No. We test our numbers with popular services and publish the results. Found is a trademark of its owner.
What if a code doesn't arrive?
Request a new code, then check your inbox and notification settings. If it keeps failing, contact us and we'll look into it.
Ready for Found codes?
Join the waitlist and be among the first to get your U.S. mobile number.
