Most of the time this depends on the service, not on the number. Ordering costs nothing until a code arrives, so the quickest fix is another number.
- Wait a minute after the purchase, then ask the service to send the code again.
- Try another number, in the same country or a different one. If the country offers a “(Virtual)” variant, try the one you have not used yet.
- Many services check where you are signing up from. Use a fresh browser session and an IP address in the country of the number, ideally a residential one; a residential proxy does that.
Still nothing? Contact us with the service, the country, and the numbers you tried.