4 min read
Why GMX asks for a phone number
GMX asks for a phone number to stop automated sign-ups and to confirm unusual logins. The code arrives by SMS.
Can you skip the phone on GMX?
Email and account providers decide per sign-up: sometimes GMX only shows a captcha, sometimes it insists on a phone.
Your options without a SIM card
Account providers block numbers that have verified too many accounts, which rules out free public SMS sites. VoIP numbers are usually refused.
- Email or Google/Apple sign-in, when the app allows it. Free, and no number at all.
- A second SIM or eSIM. Costs a monthly plan, but the number stays yours.
- A private temporary number from CoveSMS. Only you see the code, and you pay nothing if it doesn’t arrive within 20 minutes.
Step by step: get the GMX code online
- Buy a GMX number in your dashboard.
- When the phone step appears, choose the country and paste the number.
- Choose to receive a text message.
- Enter the code from your dashboard.
If the code doesn’t arrive
- If it says the number can’t be used for verification, cancel for the full price back to your balance and try another country.
- Codes from account providers arrive in seconds; waiting longer rarely helps.
- No code within 20 minutes means the number closes and the price goes back to your balance.
After you’re in: stop depending on the number
A temporary number is single-use. Set up another way in before it closes:
- Add a recovery email you control.
- Turn on two-step verification with an authenticator app or passkey.
- Remove the temporary number from your security info.