SNACC changes?

It may just be that I can't run this scanner of mine, but for the past day or so i could not hear anything on SNACC. Just a while ago, i got a few hits with talkgroups with hundred series. ie. 201-9, 500-0, 700-0, 401-1, 700-1, 500-8, 401-2, 500-1