Quackr

This is a great website for creating Telegram accounts, but you must be the first to use the number. For catching new numbers, it’s advised to follow their Telegram account here. They post new numbers regularly, and if you’re the first to use a number on Telegram, you can successfully create an account.

Virtual mailbox/Disposable mailbox

Top up from $1 and get virtual numbers in over 50 countries to receive text messages and calls.

10minutemail.net is a free, disposable e-mail service. Your temporary e-mail address will expire after 10 minutes, after which you cannot access it. You can extend the time by 10 minutes.

Mailinator is more than just temporary or disposable email addresses.... Mailinator allows Developers and QA Testing teams to automatically test their Email and SMS workflows like 2FA verifications, sign-ups, and password resets with trillions of inboxes at your fingertips. Whether you do Manual Testing, use an API, or a framework like Selenium, Cypress, Playwright, or Puppeteer - Mailinator closes the loop on email and SMS workflow testing.

ideal for less common services