Dear Jonathan Smith
Thank you for reaching out to the Microsoft Q&A forum. I understand your Hotmail (Microsoft account) sign-in is blocked and when Microsoft tries to verify you, it shows that it cannot send the 5‑digit code to your phone. Please follow these steps:
- Stop repeated code requests
- Unusual activity or excessive/repetitive requests can cause a temporary block where codes will not be sent. If you have been requesting codes repeatedly, stop requesting for now and use Troubleshoot Microsoft verification code issues - Microsoft Support
- Fix SMS delivery blockers on the phone
- Phone blocks texts from unknown numbers: adjust phone settings, then select “I don’t have a code” to request a new one.
- Message inbox is full or messaging app malfunctioning: clear storage / fix messaging so the SMS can be received.
- SMS service limitations in some regions or temporary SMS unavailability can prevent delivery.
- VOIP numbers are not supported for receiving Microsoft verification codes; use a mobile number.
- If the account is in a “Microsoft account has been locked” flow, use a different phone number to receive the unlock code
- For unlocking a locked Microsoft account, you can request the security code using any phone number that can receive text messages (it does not need to be associated with the account). If your screen is specifically the account has been locked scenario, try Microsoft account has been locked - Microsoft Support and use a different SMS-capable number.
- If you can still access the account from any signed-in device/session, update verification methods (security info)
- If you are signed in anywhere, update your security info so you can use a different verification method than the failing phone route. Verification codes sent by email can only go to your primary alias or another email you added as a verification method.
If the steps still do not restore access, please contact Support via:
- Visit Contact - Microsoft Support
- Type a brief description of your issue in the search box
- Scroll down to the bottom > select Sign in to contact support
- Log in to your personal Microsoft account.
- Under Products & Services, select "Other Products"; Under Categories, select a suitable Category.
- Click "Chat with a support agent in your web browser" (during business hours)
Please note that this is a user-to-user community. As moderators, we have limited access to internal development details. Our role is to direct users to the appropriate support channels and resources. While we cannot provide backend analysis, we will do our best to assist within our responsibilities.