[BUG]

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

When trying to verify my phone number, I receive an "invalid phone number" error, even though the number is correct and active.

What Should Happen?

The system should accept a valid phone number and proceed with sending the verification code.

Error Messages/Logs

invalid phone number

Steps to Reproduce

Open Claude Code

Start phone number verification

Enter a valid phone number

Submit the number

Error appears: "invalid phone number"

Claude Model

None

Is this a regression?

I don't know

Last Working Version

claude --version

Claude Code Version

Claude Code (CLI)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information