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Why Can't I Receive Telegram Verification Codes

Registration Stage Verification Code​

A new Telegram account requires a phone number. Any phone number worldwide that can receive SMS can register a Telegram account.

During this process, the verification code is sent via SMS to verify phone number ownership.

Of course, this has also led to another approach: SMS code reception platforms. But that's a topic for another time.

In short, to register a new account, you need a phone number that can receive SMS one way or another.

(+888 type expensive official Telegram luxury numbers are not included in this discussion)

Login Verification Code for Existing Accounts​

See the principle explanation section in this article: https://miha.uk/docs/tutor/telegram-session-to-urlapi-tool-client/

You need to know that TG itself is based on a multi-point login solution. And whether to reduce costs (yes, SMS sending is a major expense for them) or for user convenience, TG will push verification codes to existing clients.

So, Why Can't You Receive Verification Codes?​

  • For new user registration
    • Your phone number might be in a country that dislikes TG. The carrier blocks it.
    • Your phone number might be in a country keen on protecting you. The carrier blocks it and might even call to warn you about protecting your data and money. (How they found you is another story)
    • You're using a 10DLC type virtual number. Yes, these carriers and countries love TG, but TG doesn't love them. Google what 10DLC means.
    • Your phone is too heavily hacked, TG thinks you're up to something. (TG is very tolerant, doesn't even mind root... so what did you do? Or what did your phone manufacturer do?)
    • eSIM cards may have this issue
    • Well, you used a sketchy SMS code platform. Try another number. Any decent code platform won't charge you for failed numbers.
    • Maybe you notice TG telling you the code was sent to your other logged-in apps... Congratulations, this number is probably already registered. Try logging out.
    • Code works but asks for password... See previous point.
  • For existing account login
    • Try a different IP address.
    • Try a different client, like TelegramX/NiceGram
    • Generally, Android works well because you can use relatively older official TG versions. Yes, older versions have higher code reception rates, don't ask how I know. Recommend 8.1.4
    • Try TG web version, both a/z versions worth trying.
    • Try Windows official portable client, known to be the best code reception tool.