Just go to a thread on yours or a post of yours and click on your name , It will redirect you to your profile => The digits on the end of the link are your Account ID .
Hope It helps you out , good luck mate
Or you can click profile and then click summary.
https://bitcointalksearch.org/user/bubbsandbubbs3-399802
You are a newbie now, it will take you 8 months minimum to be a senior. Too early to worry about that now
Only scrubs have a 6 digit But anyway, user IDs are 1-6 characters and aren't fixed length.
Unfortunately, You're right and I am part of it.
~~MZ~~