That will usually be Help--About while in the program (at least for Windows)
On Mac, go to the Premiere Pro menu > About Premiere Pro. Version and build number will be listed in upper left.
On Windows, to to About menu > About Premiere Pro... Version and build number will be listed in upper left.
I have two computers;
1. ver 7.0.1 (105) ... ver 7.0, Sir Reel
2. ver 7.0.1 (141) ... ver 7.0, More Reel
The same on 1 & 2. ver 6.0.5 (001(MC:264587)) ... ver 6.0 Mighty Kit.
Out of curiosity: What are the phrases all about? Inside Jokes?
They are the codenames.