Your Earth Class Mail number

Here's what you need to know about your ECM number:

  • When you sign up you will receive your own random 5-digit ECM number.
  • To ensure proper delivery to your account, this number must be included as part of your Earth Class Mail address.
  • Your ECM number will also be needed if you decide to redirect your mail.
  • Interested in a custom ECM number? Have questions? Contact Support directly.
Have more questions? Submit a request


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