Use TwinNumber with Best Buy.
Buying from Best Buy while you live outside the U.S.? Use a real U.S. mobile number for your account, sign-in codes and order updates.
- What we tested
- Receiving SMS verification codes
- Line type
- Mobile
- Last tested
- Oct 12, 2026
We re-test Best Buy regularly and update this date.
What Best Buy uses your number for
- 2-Step Verification can text you a security code when you sign in.
- Setup gives you single-use backup codes for when your phone is out of reach.
- Deal of the Day text alerts go to the mobile number you sign up with.
Add your TwinNumber on Best Buy
- 01
Open Account Settings
Sign in to bestbuy.com and go to Account Settings.
- 02
Update your phone
Find the phone number in your account details and replace it with the new one.
- 03
Reset 2-Step Verification
Select Manage 2-Step Verification, disable it, then set it up again with your new number.
Why the line type matters
Online stores 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 →
Amazon
Walmart
Target
MercuryQuestions
Can I use an authenticator app instead of texts?
Yes. Best Buy can text you the code, or you can generate it in an authenticator app such as Google Authenticator, Duo Mobile or Authy.
What if I lose my phone and my backup codes?
Best Buy's help says to call 1-888-BEST BUY (1-888-237-8289) for help getting back into your account.
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 Best Buy?
No. We test our numbers with popular services and publish the results. Best Buy 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 Best Buy codes?
Join the waitlist and be among the first to get your U.S. mobile number.