Use TwinNumber with Poshmark.
Selling on Poshmark in the U.S.? Use a real U.S. mobile number for the codes Poshmark texts when you add your number and when it checks that it is really you.
- What we tested
- Receiving SMS verification codes
- Line type
- Mobile
- Last tested
- Oct 22, 2026
We re-test Poshmark regularly and update this date.
What Poshmark uses your number for
- Creating an account asks you to verify a mobile number with a code sent by text.
- Two-Step Verification codes go to your preferred contact method: by text once you set up Text-Based Verification, otherwise to your email.
- Poshmark may ask for a code when you log in, chat or change your account.
Add your TwinNumber on Poshmark
- 01
Open Account Info
On poshmark.com, select your profile picture at the top right, then Account Info.
- 02
Add the number
Select Add next to the phone number and enter the code Poshmark emails you.
- 03
Verify by text
Enter the new number and the code Poshmark texts to it.
Why the line type matters
Marketplaces 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 →
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EtsyQuestions
Does Poshmark accept VoIP numbers?
No. Poshmark's help says it is unable to verify VoIP numbers. TwinNumber numbers are registered as mobile.
Can I sell on Poshmark from outside the U.S.?
Poshmark's help says it is only available in the United States and Canada, and you need a U.S. or Canada billing and shipping address and a U.S. or Canada IP address.
I lost access to my phone or email. What now?
Poshmark's help says to verify your identity in the app (it isn't available on the web) with a valid ID such as a driver's license, passport or state-issued ID.
Is TwinNumber affiliated with Poshmark?
No. We test our numbers with popular services and publish the results. Poshmark 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 Poshmark codes?
Join the waitlist and be among the first to get your U.S. mobile number.