Your Google Analytics Tracking Number also known as your web property ID can be found by clicking the check status link from your Google Analytics dashboard.
The web property ID has two parts: the
UA-XXXXX-YY) represent your account number and the
UA-XXXXXX-YY) represent profile numbers within your account. The complete string (
UA-XXXXX-YY) is referred to interchangably as your web property ID or Tracking Number.