No, Cash App generally cannot be registered or verified using a Google Voice number. Cash App requires a real U.S. mobile number that can receive standard SMS text messages from U.S. carriers. A Google Voice number is considered a “virtual” or VoIP number, and Cash App’s system usually blocks such numbers for security and verification reasons.

Why Google Voice Numbers Usually Don’t Work

• VoIP restriction: Google Voice works over the internet rather than through a carrier network. Cash App uses phone numbers as part of its identity and fraud‑prevention checks, and virtual numbers are too easy to change, so they’re not accepted.
• SMS delivery limitations: Cash App sends verification codes via carrier SMS. Google Voice often fails to receive these messages reliably, or the code may never appear.
• Account security rules: Cash App ties each account to one verified phone number and one verified email. This helps identify real people in the U.S. financial system. Virtual numbers do not give the same trust signal.

If You Already Meet All Other Requirements

If you are already physically in the U.S., have a legitimate Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN), a valid visa, and a U.S. debit card or bank account, then all you still need is a real U.S.‑based mobile number that can receive normal text messages. For most international students, this means getting a SIM card from a U.S. phone provider such as T‑Mobile, AT&T, or Verizon. You don’t need a full contract; even prepaid plans work.

Once you have that real number, you can:

• Open Cash App, register with the carrier number and your email.
• Verify your identity (they’ll ask for name, date of birth, address, and SSN/ITIN).
• Link a debit card or U.S. bank account for funds transfer.

Safer Alternatives

• If your Google Voice number is your only contact number right now, use it only for communication, not financial apps.
• Get a low‑cost local SIM as soon as you arrive; even $10‑20 prepaid plans are enough for verification messages.
• Keep your Cash App and bank accounts registered under the same verified phone number and email to avoid confusion or account freezes.

In Summary

Cash App will not reliably work with Google Voice. Use a genuine U.S. carrier number for setup and verification. Doing this once, correctly, prevents most of the common verification problems and account locks that new arrivals experience.