Yes, this is accessible from within your account dashboard.  Please follow these steps:

1. Login

Click the login link in the top right of the header navigation to open up the login dialog box and enter your login details

2. Go to "Your package & limits" within your account

This navigation appears on the top right.

3. View your account limits

The package and limits page will look similar to the following and will include all account limits you should be aware of:

Further reading