Yeah, 412 is the main Pittsburgh area code, & it's become a pretty common hashtag and merchandise logo for the city. Unless the park has some serious area code gimmick up its sleeve with this new attraction, I'd read more into the upcoming teasers and less into the idea that "412" has deep coaster lore meaning.
And I will add that this is exciting news! I'll probably find myself playing along, and we can already see that the project is anticipation-worthy. I'm looking forward to the hype and clues.