First of all this should be asked in the VIPER thread for you to get more answers.
Secondly, frequencies are based on sites (also called towers) over the four zones, each site has it's own frequencies. On the site you are only able to hear talkgroups affiliated to that site. So, while you can hear talkgroups from across the state (in theory) it only happens if they are on the site you are able to receive. The simple answer to your question is NO.