A member number is a unique identification number tied directly to you and your account. Think of it like a credit card number. For your own privacy and security, please do not share this information with other members. Do not post your member number on the forums. Do not post your member number on other websites such as Facebook, MySpace, Twitter, etc.
There are several places you can find your member number.
Your member number can be found on your Gardening How To magazine label just above your address.
Your member number can be found on an invoice just above your name.
For Annual Members your member number is located on the back of your membership card on your validation sticker. For Life Members it's located on the front of your life membership card.
Your member number can also be found by visiting your My Account page.