Open Telegram: Launch the Telegram app on your phone or desktop.
Search for the bot: In the main chat list, tap on the search bar (usually a magnifying glass icon). Type userinfobot.
Select the bot: You should see "UserInfoBot" appear in the search results. Tap on it to open a chat with the bot.
Start the bot: At the bottom of the chat, you will see a "Start" button. Tap on it. If you don't see the "Start" button, type /start in the message field and send it.
Receive your ID: The UserInfoBot will send you a message containing your Telegram user ID. It will typically be labeled as "ID" or "user_id" followed by a sequence of numbers. You might also see other information like your username, first name, last name, and language.
Finding the Chat ID of a Group or Channel:
You can also use the UserInfoBot to find the vietnam telegram mobile phone number list unique ID of a Telegram group or channel where you are an administrator:
Add UserInfoBot to the group/channel:
Open the group or channel.
Tap on the group/channel name at the top to open its info page.
Look for the "Add members" option (or similar).
Search for userinfobot and add it as a member.
Check the bot's message: Once added, UserInfoBot will usually post a message in the group/channel containing information about it, including the "chat_id". If it doesn't post automatically, you can type /start in the group/channel chat, and the bot should respond with the chat ID.
Remove the bot (optional): After you've found the chat ID, you can remove UserInfoBot from the group/channel if you no longer need it there.
Distinction between Username and User ID:
It's important to understand the difference between your username and your user ID:
Username: This is a public, unique name that starts with an . Telegram settings. It allows other users to find you easily via search without knowing your phone number.
User ID: This is a unique, numerical identifier assigned to your Telegram account by the platform itself. It's not something you can choose or change. It's primarily used internally by Telegram and by bots for specific functionalities.
The methods described above using UserInfoBot will provide you with your numerical User ID.